; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mcpu=generic | FileCheck %s --check-prefix=CHECK --check-prefix=GENERIC ; RUN: llc < %s -mtriple=x86_64-apple-darwin10 -mcpu=atom | FileCheck %s --check-prefix=CHECK --check-prefix=ATOM ; RUN: llc < %s -mtriple=i386-intel-elfiamcu | FileCheck %s --check-prefix=MCU ; PR5757 %0 = type { i64, i32 } define i32 @test1(%0* %p, %0* %q, i1 %r) nounwind { ; CHECK-LABEL: test1: ; CHECK: ## %bb.0: ; CHECK-NEXT: addq $8, %rdi ; CHECK-NEXT: addq $8, %rsi ; CHECK-NEXT: testb $1, %dl ; CHECK-NEXT: cmovneq %rdi, %rsi ; CHECK-NEXT: movl (%rsi), %eax ; CHECK-NEXT: retq ; ; MCU-LABEL: test1: ; MCU: # %bb.0: ; MCU-NEXT: testb $1, %cl ; MCU-NEXT: jne .LBB0_1 ; MCU-NEXT: # %bb.2: ; MCU-NEXT: addl $8, %edx ; MCU-NEXT: movl (%edx), %eax ; MCU-NEXT: retl ; MCU-NEXT: .LBB0_1: ; MCU-NEXT: addl $8, %eax ; MCU-NEXT: movl (%eax), %eax ; MCU-NEXT: retl %t0 = load %0, %0* %p %t1 = load %0, %0* %q %t4 = select i1 %r, %0 %t0, %0 %t1 %t5 = extractvalue %0 %t4, 1 ret i32 %t5 } ; PR2139 define i32 @test2() nounwind { ; GENERIC-LABEL: test2: ; GENERIC: ## %bb.0: ## %entry ; GENERIC-NEXT: pushq %rax ; GENERIC-NEXT: callq _return_false ; GENERIC-NEXT: xorl %ecx, %ecx ; GENERIC-NEXT: testb $1, %al ; GENERIC-NEXT: movl $-480, %eax ## imm = 0xFE20 ; GENERIC-NEXT: cmovnel %ecx, %eax ; GENERIC-NEXT: shll $3, %eax ; GENERIC-NEXT: cmpl $32768, %eax ## imm = 0x8000 ; GENERIC-NEXT: jge LBB1_1 ; GENERIC-NEXT: ## %bb.2: ## %bb91 ; GENERIC-NEXT: xorl %eax, %eax ; GENERIC-NEXT: popq %rcx ; GENERIC-NEXT: retq ; GENERIC-NEXT: LBB1_1: ## %bb90 ; ; ATOM-LABEL: test2: ; ATOM: ## %bb.0: ## %entry ; ATOM-NEXT: pushq %rax ; ATOM-NEXT: callq _return_false ; ATOM-NEXT: xorl %ecx, %ecx ; ATOM-NEXT: movl $-480, %edx ## imm = 0xFE20 ; ATOM-NEXT: testb $1, %al ; ATOM-NEXT: cmovnel %ecx, %edx ; ATOM-NEXT: shll $3, %edx ; ATOM-NEXT: cmpl $32768, %edx ## imm = 0x8000 ; ATOM-NEXT: jge LBB1_1 ; ATOM-NEXT: ## %bb.2: ## %bb91 ; ATOM-NEXT: xorl %eax, %eax ; ATOM-NEXT: popq %rcx ; ATOM-NEXT: retq ; ATOM-NEXT: LBB1_1: ## %bb90 ; ; MCU-LABEL: test2: ; MCU: # %bb.0: # %entry ; MCU-NEXT: calll return_false ; MCU-NEXT: xorl %ecx, %ecx ; MCU-NEXT: testb $1, %al ; MCU-NEXT: jne .LBB1_2 ; MCU-NEXT: # %bb.1: # %entry ; MCU-NEXT: movl $-480, %ecx # imm = 0xFE20 ; MCU-NEXT: .LBB1_2: # %entry ; MCU-NEXT: shll $3, %ecx ; MCU-NEXT: cmpl $32768, %ecx # imm = 0x8000 ; MCU-NEXT: jge .LBB1_3 ; MCU-NEXT: # %bb.4: # %bb91 ; MCU-NEXT: xorl %eax, %eax ; MCU-NEXT: retl ; MCU-NEXT: .LBB1_3: # %bb90 entry: %tmp73 = tail call i1 @return_false() %g.0 = select i1 %tmp73, i16 0, i16 -480 %tmp7778 = sext i16 %g.0 to i32 %tmp80 = shl i32 %tmp7778, 3 %tmp87 = icmp sgt i32 %tmp80, 32767 br i1 %tmp87, label %bb90, label %bb91 bb90: unreachable bb91: ret i32 0 } declare i1 @return_false() ;; Select between two floating point constants. define float @test3(i32 %x) nounwind readnone { ; GENERIC-LABEL: test3: ; GENERIC: ## %bb.0: ## %entry ; GENERIC-NEXT: xorl %eax, %eax ; GENERIC-NEXT: testl %edi, %edi ; GENERIC-NEXT: sete %al ; GENERIC-NEXT: leaq {{.*}}(%rip), %rcx ; GENERIC-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero ; GENERIC-NEXT: retq ; ; ATOM-LABEL: test3: ; ATOM: ## %bb.0: ## %entry ; ATOM-NEXT: xorl %eax, %eax ; ATOM-NEXT: leaq {{.*}}(%rip), %rcx ; ATOM-NEXT: testl %edi, %edi ; ATOM-NEXT: sete %al ; ATOM-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero ; ATOM-NEXT: retq ; ; MCU-LABEL: test3: ; MCU: # %bb.0: # %entry ; MCU-NEXT: xorl %ecx, %ecx ; MCU-NEXT: testl %eax, %eax ; MCU-NEXT: sete %cl ; MCU-NEXT: flds {{\.LCPI.*}}(,%ecx,4) ; MCU-NEXT: retl entry: %0 = icmp eq i32 %x, 0 %iftmp.0.0 = select i1 %0, float 4.200000e+01, float 2.300000e+01 ret float %iftmp.0.0 } define signext i8 @test4(i8* nocapture %P, double %F) nounwind readonly { ; CHECK-LABEL: test4: ; CHECK: ## %bb.0: ## %entry ; CHECK-NEXT: movsd {{.*#+}} xmm1 = mem[0],zero ; CHECK-NEXT: xorl %eax, %eax ; CHECK-NEXT: ucomisd %xmm0, %xmm1 ; CHECK-NEXT: seta %al ; CHECK-NEXT: movsbl (%rdi,%rax,4), %eax ; CHECK-NEXT: retq ; ; MCU-LABEL: test4: ; MCU: # %bb.0: # %entry ; MCU-NEXT: movl %eax, %ecx ; MCU-NEXT: fldl {{[0-9]+}}(%esp) ; MCU-NEXT: flds {{\.LCPI.*}} ; MCU-NEXT: fucompp ; MCU-NEXT: fnstsw %ax ; MCU-NEXT: xorl %edx, %edx ; MCU-NEXT: # kill: def $ah killed $ah killed $ax ; MCU-NEXT: sahf ; MCU-NEXT: seta %dl ; MCU-NEXT: movb (%ecx,%edx,4), %al ; MCU-NEXT: retl entry: %0 = fcmp olt double %F, 4.200000e+01 %iftmp.0.0 = select i1 %0, i32 4, i32 0 %1 = getelementptr i8, i8* %P, i32 %iftmp.0.0 %2 = load i8, i8* %1, align 1 ret i8 %2 } define void @test5(i1 %c, <2 x i16> %a, <2 x i16> %b, <2 x i16>* %p) nounwind { ; CHECK-LABEL: test5: ; CHECK: ## %bb.0: ; CHECK-NEXT: testb $1, %dil ; CHECK-NEXT: jne LBB4_2 ; CHECK-NEXT: ## %bb.1: ; CHECK-NEXT: movdqa %xmm1, %xmm0 ; CHECK-NEXT: LBB4_2: ; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3] ; CHECK-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[0,2,2,3,4,5,6,7] ; CHECK-NEXT: movd %xmm0, (%rsi) ; CHECK-NEXT: retq ; ; MCU-LABEL: test5: ; MCU: # %bb.0: ; MCU-NEXT: pushl %esi ; MCU-NEXT: movl {{[0-9]+}}(%esp), %esi ; MCU-NEXT: testb $1, %al ; MCU-NEXT: jne .LBB4_2 ; MCU-NEXT: # %bb.1: ; MCU-NEXT: movzwl {{[0-9]+}}(%esp), %ecx ; MCU-NEXT: movzwl {{[0-9]+}}(%esp), %edx ; MCU-NEXT: .LBB4_2: ; MCU-NEXT: movw %cx, 2(%esi) ; MCU-NEXT: movw %dx, (%esi) ; MCU-NEXT: popl %esi ; MCU-NEXT: retl %x = select i1 %c, <2 x i16> %a, <2 x i16> %b store <2 x i16> %x, <2 x i16>* %p ret void } ; Verify that the fmul gets sunk into the one part of the diamond where it is needed. define void @test6(i32 %C, <4 x float>* %A, <4 x float>* %B) nounwind { ; CHECK-LABEL: test6: ; CHECK: ## %bb.0: ; CHECK-NEXT: testl %edi, %edi ; CHECK-NEXT: je LBB5_1 ; CHECK-NEXT: ## %bb.2: ; CHECK-NEXT: movaps (%rsi), %xmm0 ; CHECK-NEXT: movaps %xmm0, (%rsi) ; CHECK-NEXT: retq ; CHECK-NEXT: LBB5_1: ; CHECK-NEXT: movaps (%rdx), %xmm0 ; CHECK-NEXT: mulps %xmm0, %xmm0 ; CHECK-NEXT: movaps %xmm0, (%rsi) ; CHECK-NEXT: retq ; ; MCU-LABEL: test6: ; MCU: # %bb.0: ; MCU-NEXT: pushl %eax ; MCU-NEXT: flds 12(%edx) ; MCU-NEXT: fstps (%esp) # 4-byte Folded Spill ; MCU-NEXT: flds 8(%edx) ; MCU-NEXT: flds 4(%edx) ; MCU-NEXT: flds (%ecx) ; MCU-NEXT: flds 4(%ecx) ; MCU-NEXT: flds 8(%ecx) ; MCU-NEXT: flds 12(%ecx) ; MCU-NEXT: fmul %st(0), %st(0) ; MCU-NEXT: fxch %st(1) ; MCU-NEXT: fmul %st(0), %st(0) ; MCU-NEXT: fxch %st(2) ; MCU-NEXT: fmul %st(0), %st(0) ; MCU-NEXT: fxch %st(3) ; MCU-NEXT: fmul %st(0), %st(0) ; MCU-NEXT: testl %eax, %eax ; MCU-NEXT: flds (%edx) ; MCU-NEXT: je .LBB5_2 ; MCU-NEXT: # %bb.1: ; MCU-NEXT: fstp %st(1) ; MCU-NEXT: fstp %st(3) ; MCU-NEXT: fstp %st(1) ; MCU-NEXT: fstp %st(0) ; MCU-NEXT: flds (%esp) # 4-byte Folded Reload ; MCU-NEXT: fldz ; MCU-NEXT: fldz ; MCU-NEXT: fldz ; MCU-NEXT: fxch %st(1) ; MCU-NEXT: fxch %st(6) ; MCU-NEXT: fxch %st(1) ; MCU-NEXT: fxch %st(5) ; MCU-NEXT: fxch %st(4) ; MCU-NEXT: fxch %st(1) ; MCU-NEXT: fxch %st(3) ; MCU-NEXT: fxch %st(2) ; MCU-NEXT: .LBB5_2: ; MCU-NEXT: fstp %st(0) ; MCU-NEXT: fstp %st(5) ; MCU-NEXT: fstp %st(3) ; MCU-NEXT: fxch %st(2) ; MCU-NEXT: fstps 12(%edx) ; MCU-NEXT: fxch %st(1) ; MCU-NEXT: fstps 8(%edx) ; MCU-NEXT: fstps 4(%edx) ; MCU-NEXT: fstps (%edx) ; MCU-NEXT: popl %eax ; MCU-NEXT: retl %tmp = load <4 x float>, <4 x float>* %A %tmp3 = load <4 x float>, <4 x float>* %B %tmp9 = fmul <4 x float> %tmp3, %tmp3 %tmp.upgrd.1 = icmp eq i32 %C, 0 %iftmp.38.0 = select i1 %tmp.upgrd.1, <4 x float> %tmp9, <4 x float> %tmp store <4 x float> %iftmp.38.0, <4 x float>* %A ret void } ; Select with fp80's define x86_fp80 @test7(i32 %tmp8) nounwind { ; GENERIC-LABEL: test7: ; GENERIC: ## %bb.0: ; GENERIC-NEXT: xorl %eax, %eax ; GENERIC-NEXT: testl %edi, %edi ; GENERIC-NEXT: setns %al ; GENERIC-NEXT: shlq $4, %rax ; GENERIC-NEXT: leaq {{.*}}(%rip), %rcx ; GENERIC-NEXT: fldt (%rax,%rcx) ; GENERIC-NEXT: retq ; ; ATOM-LABEL: test7: ; ATOM: ## %bb.0: ; ATOM-NEXT: xorl %eax, %eax ; ATOM-NEXT: leaq {{.*}}(%rip), %rcx ; ATOM-NEXT: testl %edi, %edi ; ATOM-NEXT: setns %al ; ATOM-NEXT: shlq $4, %rax ; ATOM-NEXT: fldt (%rax,%rcx) ; ATOM-NEXT: retq ; ; MCU-LABEL: test7: ; MCU: # %bb.0: ; MCU-NEXT: notl %eax ; MCU-NEXT: shrl $27, %eax ; MCU-NEXT: andl $-16, %eax ; MCU-NEXT: fldt {{\.LCPI.*}}(%eax) ; MCU-NEXT: retl %tmp9 = icmp sgt i32 %tmp8, -1 %retval = select i1 %tmp9, x86_fp80 0xK4005B400000000000000, x86_fp80 0xK40078700000000000000 ret x86_fp80 %retval } ; widening select v6i32 and then a sub define void @test8(i1 %c, <6 x i32>* %dst.addr, <6 x i32> %src1,<6 x i32> %src2) nounwind { ; GENERIC-LABEL: test8: ; GENERIC: ## %bb.0: ; GENERIC-NEXT: testb $1, %dil ; GENERIC-NEXT: jne LBB7_1 ; GENERIC-NEXT: ## %bb.2: ; GENERIC-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero ; GENERIC-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero ; GENERIC-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1] ; GENERIC-NEXT: movd {{.*#+}} xmm2 = mem[0],zero,zero,zero ; GENERIC-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero ; GENERIC-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1] ; GENERIC-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0] ; GENERIC-NEXT: movd {{.*#+}} xmm2 = mem[0],zero,zero,zero ; GENERIC-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero ; GENERIC-NEXT: jmp LBB7_3 ; GENERIC-NEXT: LBB7_1: ; GENERIC-NEXT: movd %r9d, %xmm0 ; GENERIC-NEXT: movd %r8d, %xmm1 ; GENERIC-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1] ; GENERIC-NEXT: movd %ecx, %xmm2 ; GENERIC-NEXT: movd %edx, %xmm0 ; GENERIC-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1] ; GENERIC-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0] ; GENERIC-NEXT: movd {{.*#+}} xmm2 = mem[0],zero,zero,zero ; GENERIC-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero ; GENERIC-NEXT: LBB7_3: ; GENERIC-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm2[0],xmm1[1],xmm2[1] ; GENERIC-NEXT: pcmpeqd %xmm2, %xmm2 ; GENERIC-NEXT: paddd %xmm2, %xmm0 ; GENERIC-NEXT: paddd %xmm2, %xmm1 ; GENERIC-NEXT: movq %xmm1, 16(%rsi) ; GENERIC-NEXT: movdqa %xmm0, (%rsi) ; GENERIC-NEXT: retq ; ; ATOM-LABEL: test8: ; ATOM: ## %bb.0: ; ATOM-NEXT: testb $1, %dil ; ATOM-NEXT: jne LBB7_1 ; ATOM-NEXT: ## %bb.2: ; ATOM-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero ; ATOM-NEXT: movd {{.*#+}} xmm2 = mem[0],zero,zero,zero ; ATOM-NEXT: movd {{.*#+}} xmm3 = mem[0],zero,zero,zero ; ATOM-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero ; ATOM-NEXT: punpckldq {{.*#+}} xmm2 = xmm2[0],xmm1[0],xmm2[1],xmm1[1] ; ATOM-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm3[0],xmm0[1],xmm3[1] ; ATOM-NEXT: movd {{.*#+}} xmm3 = mem[0],zero,zero,zero ; ATOM-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero ; ATOM-NEXT: jmp LBB7_3 ; ATOM-NEXT: LBB7_1: ; ATOM-NEXT: movd %r9d, %xmm1 ; ATOM-NEXT: movd %r8d, %xmm2 ; ATOM-NEXT: movd %ecx, %xmm3 ; ATOM-NEXT: movd %edx, %xmm0 ; ATOM-NEXT: punpckldq {{.*#+}} xmm2 = xmm2[0],xmm1[0],xmm2[1],xmm1[1] ; ATOM-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm3[0],xmm0[1],xmm3[1] ; ATOM-NEXT: movd {{.*#+}} xmm3 = mem[0],zero,zero,zero ; ATOM-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero ; ATOM-NEXT: LBB7_3: ; ATOM-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm2[0] ; ATOM-NEXT: pcmpeqd %xmm2, %xmm2 ; ATOM-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm3[0],xmm1[1],xmm3[1] ; ATOM-NEXT: paddd %xmm2, %xmm0 ; ATOM-NEXT: paddd %xmm2, %xmm1 ; ATOM-NEXT: movq %xmm1, 16(%rsi) ; ATOM-NEXT: movdqa %xmm0, (%rsi) ; ATOM-NEXT: retq ; ; MCU-LABEL: test8: ; MCU: # %bb.0: ; MCU-NEXT: pushl %ebp ; MCU-NEXT: pushl %ebx ; MCU-NEXT: pushl %edi ; MCU-NEXT: pushl %esi ; MCU-NEXT: testb $1, %al ; MCU-NEXT: jne .LBB7_1 ; MCU-NEXT: # %bb.2: ; MCU-NEXT: leal {{[0-9]+}}(%esp), %eax ; MCU-NEXT: movl (%eax), %eax ; MCU-NEXT: je .LBB7_5 ; MCU-NEXT: .LBB7_4: ; MCU-NEXT: leal {{[0-9]+}}(%esp), %ecx ; MCU-NEXT: movl (%ecx), %ecx ; MCU-NEXT: je .LBB7_8 ; MCU-NEXT: .LBB7_7: ; MCU-NEXT: leal {{[0-9]+}}(%esp), %esi ; MCU-NEXT: movl (%esi), %esi ; MCU-NEXT: je .LBB7_11 ; MCU-NEXT: .LBB7_10: ; MCU-NEXT: leal {{[0-9]+}}(%esp), %edi ; MCU-NEXT: movl (%edi), %edi ; MCU-NEXT: je .LBB7_14 ; MCU-NEXT: .LBB7_13: ; MCU-NEXT: leal {{[0-9]+}}(%esp), %ebx ; MCU-NEXT: movl (%ebx), %ebx ; MCU-NEXT: je .LBB7_17 ; MCU-NEXT: .LBB7_16: ; MCU-NEXT: leal {{[0-9]+}}(%esp), %ebp ; MCU-NEXT: jmp .LBB7_18 ; MCU-NEXT: .LBB7_1: ; MCU-NEXT: leal {{[0-9]+}}(%esp), %eax ; MCU-NEXT: movl (%eax), %eax ; MCU-NEXT: jne .LBB7_4 ; MCU-NEXT: .LBB7_5: ; MCU-NEXT: leal {{[0-9]+}}(%esp), %ecx ; MCU-NEXT: movl (%ecx), %ecx ; MCU-NEXT: jne .LBB7_7 ; MCU-NEXT: .LBB7_8: ; MCU-NEXT: leal {{[0-9]+}}(%esp), %esi ; MCU-NEXT: movl (%esi), %esi ; MCU-NEXT: jne .LBB7_10 ; MCU-NEXT: .LBB7_11: ; MCU-NEXT: leal {{[0-9]+}}(%esp), %edi ; MCU-NEXT: movl (%edi), %edi ; MCU-NEXT: jne .LBB7_13 ; MCU-NEXT: .LBB7_14: ; MCU-NEXT: leal {{[0-9]+}}(%esp), %ebx ; MCU-NEXT: movl (%ebx), %ebx ; MCU-NEXT: jne .LBB7_16 ; MCU-NEXT: .LBB7_17: ; MCU-NEXT: leal {{[0-9]+}}(%esp), %ebp ; MCU-NEXT: .LBB7_18: ; MCU-NEXT: movl (%ebp), %ebp ; MCU-NEXT: decl %ebp ; MCU-NEXT: decl %ebx ; MCU-NEXT: decl %edi ; MCU-NEXT: decl %esi ; MCU-NEXT: decl %ecx ; MCU-NEXT: decl %eax ; MCU-NEXT: movl %eax, 20(%edx) ; MCU-NEXT: movl %ecx, 16(%edx) ; MCU-NEXT: movl %esi, 12(%edx) ; MCU-NEXT: movl %edi, 8(%edx) ; MCU-NEXT: movl %ebx, 4(%edx) ; MCU-NEXT: movl %ebp, (%edx) ; MCU-NEXT: popl %esi ; MCU-NEXT: popl %edi ; MCU-NEXT: popl %ebx ; MCU-NEXT: popl %ebp ; MCU-NEXT: retl %x = select i1 %c, <6 x i32> %src1, <6 x i32> %src2 %val = sub <6 x i32> %x, < i32 1, i32 1, i32 1, i32 1, i32 1, i32 1 > store <6 x i32> %val, <6 x i32>* %dst.addr ret void } ;; Test integer select between values and constants. define i64 @test9(i64 %x, i64 %y) nounwind readnone ssp noredzone { ; GENERIC-LABEL: test9: ; GENERIC: ## %bb.0: ; GENERIC-NEXT: cmpq $1, %rdi ; GENERIC-NEXT: sbbq %rax, %rax ; GENERIC-NEXT: orq %rsi, %rax ; GENERIC-NEXT: retq ; ; ATOM-LABEL: test9: ; ATOM: ## %bb.0: ; ATOM-NEXT: cmpq $1, %rdi ; ATOM-NEXT: sbbq %rax, %rax ; ATOM-NEXT: orq %rsi, %rax ; ATOM-NEXT: nop ; ATOM-NEXT: nop ; ATOM-NEXT: retq ; ; MCU-LABEL: test9: ; MCU: # %bb.0: ; MCU-NEXT: orl %edx, %eax ; MCU-NEXT: jne .LBB8_1 ; MCU-NEXT: # %bb.2: ; MCU-NEXT: movl $-1, %eax ; MCU-NEXT: movl $-1, %edx ; MCU-NEXT: retl ; MCU-NEXT: .LBB8_1: ; MCU-NEXT: movl {{[0-9]+}}(%esp), %eax ; MCU-NEXT: movl {{[0-9]+}}(%esp), %edx ; MCU-NEXT: retl %cmp = icmp ne i64 %x, 0 %cond = select i1 %cmp, i64 %y, i64 -1 ret i64 %cond } ;; Same as test9 define i64 @test9a(i64 %x, i64 %y) nounwind readnone ssp noredzone { ; GENERIC-LABEL: test9a: ; GENERIC: ## %bb.0: ; GENERIC-NEXT: cmpq $1, %rdi ; GENERIC-NEXT: sbbq %rax, %rax ; GENERIC-NEXT: orq %rsi, %rax ; GENERIC-NEXT: retq ; ; ATOM-LABEL: test9a: ; ATOM: ## %bb.0: ; ATOM-NEXT: cmpq $1, %rdi ; ATOM-NEXT: sbbq %rax, %rax ; ATOM-NEXT: orq %rsi, %rax ; ATOM-NEXT: nop ; ATOM-NEXT: nop ; ATOM-NEXT: retq ; ; MCU-LABEL: test9a: ; MCU: # %bb.0: ; MCU-NEXT: orl %edx, %eax ; MCU-NEXT: movl $-1, %eax ; MCU-NEXT: movl $-1, %edx ; MCU-NEXT: je .LBB9_2 ; MCU-NEXT: # %bb.1: ; MCU-NEXT: movl {{[0-9]+}}(%esp), %eax ; MCU-NEXT: movl {{[0-9]+}}(%esp), %edx ; MCU-NEXT: .LBB9_2: ; MCU-NEXT: retl %cmp = icmp eq i64 %x, 0 %cond = select i1 %cmp, i64 -1, i64 %y ret i64 %cond } define i64 @test9b(i64 %x, i64 %y) nounwind readnone ssp noredzone { ; GENERIC-LABEL: test9b: ; GENERIC: ## %bb.0: ; GENERIC-NEXT: cmpq $1, %rdi ; GENERIC-NEXT: sbbq %rax, %rax ; GENERIC-NEXT: orq %rsi, %rax ; GENERIC-NEXT: retq ; ; ATOM-LABEL: test9b: ; ATOM: ## %bb.0: ; ATOM-NEXT: cmpq $1, %rdi ; ATOM-NEXT: sbbq %rax, %rax ; ATOM-NEXT: orq %rsi, %rax ; ATOM-NEXT: nop ; ATOM-NEXT: nop ; ATOM-NEXT: retq ; ; MCU-LABEL: test9b: ; MCU: # %bb.0: ; MCU-NEXT: movl %edx, %ecx ; MCU-NEXT: xorl %edx, %edx ; MCU-NEXT: orl %ecx, %eax ; MCU-NEXT: sete %dl ; MCU-NEXT: negl %edx ; MCU-NEXT: movl {{[0-9]+}}(%esp), %eax ; MCU-NEXT: orl %edx, %eax ; MCU-NEXT: orl {{[0-9]+}}(%esp), %edx ; MCU-NEXT: retl %cmp = icmp eq i64 %x, 0 %A = sext i1 %cmp to i64 %cond = or i64 %y, %A ret i64 %cond } ;; Select between -1 and 1. define i64 @test10(i64 %x, i64 %y) nounwind readnone ssp noredzone { ; CHECK-LABEL: test10: ; CHECK: ## %bb.0: ; CHECK-NEXT: xorl %eax, %eax ; CHECK-NEXT: testq %rdi, %rdi ; CHECK-NEXT: setne %al ; CHECK-NEXT: leaq -1(%rax,%rax), %rax ; CHECK-NEXT: retq ; ; MCU-LABEL: test10: ; MCU: # %bb.0: ; MCU-NEXT: orl %edx, %eax ; MCU-NEXT: movl $-1, %eax ; MCU-NEXT: movl $-1, %edx ; MCU-NEXT: je .LBB11_2 ; MCU-NEXT: # %bb.1: ; MCU-NEXT: xorl %edx, %edx ; MCU-NEXT: movl $1, %eax ; MCU-NEXT: .LBB11_2: ; MCU-NEXT: retl %cmp = icmp eq i64 %x, 0 %cond = select i1 %cmp, i64 -1, i64 1 ret i64 %cond } define i64 @test11(i64 %x, i64 %y) nounwind readnone ssp noredzone { ; CHECK-LABEL: test11: ; CHECK: ## %bb.0: ; CHECK-NEXT: cmpq $1, %rdi ; CHECK-NEXT: sbbq %rax, %rax ; CHECK-NEXT: notq %rax ; CHECK-NEXT: orq %rsi, %rax ; CHECK-NEXT: retq ; ; MCU-LABEL: test11: ; MCU: # %bb.0: ; MCU-NEXT: orl %edx, %eax ; MCU-NEXT: je .LBB12_1 ; MCU-NEXT: # %bb.2: ; MCU-NEXT: movl $-1, %eax ; MCU-NEXT: movl $-1, %edx ; MCU-NEXT: retl ; MCU-NEXT: .LBB12_1: ; MCU-NEXT: movl {{[0-9]+}}(%esp), %eax ; MCU-NEXT: movl {{[0-9]+}}(%esp), %edx ; MCU-NEXT: retl %cmp = icmp eq i64 %x, 0 %cond = select i1 %cmp, i64 %y, i64 -1 ret i64 %cond } define i64 @test11a(i64 %x, i64 %y) nounwind readnone ssp noredzone { ; CHECK-LABEL: test11a: ; CHECK: ## %bb.0: ; CHECK-NEXT: cmpq $1, %rdi ; CHECK-NEXT: sbbq %rax, %rax ; CHECK-NEXT: notq %rax ; CHECK-NEXT: orq %rsi, %rax ; CHECK-NEXT: retq ; ; MCU-LABEL: test11a: ; MCU: # %bb.0: ; MCU-NEXT: orl %edx, %eax ; MCU-NEXT: movl $-1, %eax ; MCU-NEXT: movl $-1, %edx ; MCU-NEXT: jne .LBB13_2 ; MCU-NEXT: # %bb.1: ; MCU-NEXT: movl {{[0-9]+}}(%esp), %eax ; MCU-NEXT: movl {{[0-9]+}}(%esp), %edx ; MCU-NEXT: .LBB13_2: ; MCU-NEXT: retl %cmp = icmp ne i64 %x, 0 %cond = select i1 %cmp, i64 -1, i64 %y ret i64 %cond } declare noalias i8* @_Znam(i64) noredzone define noalias i8* @test12(i64 %count) nounwind ssp noredzone { ; GENERIC-LABEL: test12: ; GENERIC: ## %bb.0: ## %entry ; GENERIC-NEXT: movl $4, %ecx ; GENERIC-NEXT: movq %rdi, %rax ; GENERIC-NEXT: mulq %rcx ; GENERIC-NEXT: movq $-1, %rdi ; GENERIC-NEXT: cmovnoq %rax, %rdi ; GENERIC-NEXT: jmp __Znam ## TAILCALL ; ; ATOM-LABEL: test12: ; ATOM: ## %bb.0: ## %entry ; ATOM-NEXT: movq %rdi, %rax ; ATOM-NEXT: movl $4, %ecx ; ATOM-NEXT: movq $-1, %rdi ; ATOM-NEXT: mulq %rcx ; ATOM-NEXT: cmovnoq %rax, %rdi ; ATOM-NEXT: jmp __Znam ## TAILCALL ; ; MCU-LABEL: test12: ; MCU: # %bb.0: # %entry ; MCU-NEXT: pushl %ebp ; MCU-NEXT: pushl %ebx ; MCU-NEXT: pushl %edi ; MCU-NEXT: pushl %esi ; MCU-NEXT: movl %edx, %ebx ; MCU-NEXT: movl %eax, %ebp ; MCU-NEXT: movl $4, %ecx ; MCU-NEXT: mull %ecx ; MCU-NEXT: movl %eax, %esi ; MCU-NEXT: leal (%edx,%ebx,4), %edi ; MCU-NEXT: movl %edi, %edx ; MCU-NEXT: pushl $0 ; MCU-NEXT: pushl $4 ; MCU-NEXT: calll __udivdi3 ; MCU-NEXT: addl $8, %esp ; MCU-NEXT: xorl %ebx, %edx ; MCU-NEXT: xorl %ebp, %eax ; MCU-NEXT: orl %edx, %eax ; MCU-NEXT: movl $-1, %eax ; MCU-NEXT: movl $-1, %edx ; MCU-NEXT: jne .LBB14_2 ; MCU-NEXT: # %bb.1: # %entry ; MCU-NEXT: movl %esi, %eax ; MCU-NEXT: movl %edi, %edx ; MCU-NEXT: .LBB14_2: # %entry ; MCU-NEXT: popl %esi ; MCU-NEXT: popl %edi ; MCU-NEXT: popl %ebx ; MCU-NEXT: popl %ebp ; MCU-NEXT: jmp _Znam # TAILCALL entry: %A = tail call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %count, i64 4) %B = extractvalue { i64, i1 } %A, 1 %C = extractvalue { i64, i1 } %A, 0 %D = select i1 %B, i64 -1, i64 %C %call = tail call noalias i8* @_Znam(i64 %D) nounwind noredzone ret i8* %call } declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) nounwind readnone define i32 @test13(i32 %a, i32 %b) nounwind { ; GENERIC-LABEL: test13: ; GENERIC: ## %bb.0: ; GENERIC-NEXT: cmpl %esi, %edi ; GENERIC-NEXT: sbbl %eax, %eax ; GENERIC-NEXT: retq ; ; ATOM-LABEL: test13: ; ATOM: ## %bb.0: ; ATOM-NEXT: cmpl %esi, %edi ; ATOM-NEXT: sbbl %eax, %eax ; ATOM-NEXT: nop ; ATOM-NEXT: nop ; ATOM-NEXT: nop ; ATOM-NEXT: nop ; ATOM-NEXT: retq ; ; MCU-LABEL: test13: ; MCU: # %bb.0: ; MCU-NEXT: cmpl %edx, %eax ; MCU-NEXT: sbbl %eax, %eax ; MCU-NEXT: retl %c = icmp ult i32 %a, %b %d = sext i1 %c to i32 ret i32 %d } define i32 @test14(i32 %a, i32 %b) nounwind { ; CHECK-LABEL: test14: ; CHECK: ## %bb.0: ; CHECK-NEXT: xorl %eax, %eax ; CHECK-NEXT: cmpl %esi, %edi ; CHECK-NEXT: setae %al ; CHECK-NEXT: negl %eax ; CHECK-NEXT: retq ; ; MCU-LABEL: test14: ; MCU: # %bb.0: ; MCU-NEXT: xorl %ecx, %ecx ; MCU-NEXT: cmpl %edx, %eax ; MCU-NEXT: setae %cl ; MCU-NEXT: negl %ecx ; MCU-NEXT: movl %ecx, %eax ; MCU-NEXT: retl %c = icmp uge i32 %a, %b %d = sext i1 %c to i32 ret i32 %d } ; rdar://10961709 define i32 @test15(i32 %x) nounwind { ; GENERIC-LABEL: test15: ; GENERIC: ## %bb.0: ## %entry ; GENERIC-NEXT: negl %edi ; GENERIC-NEXT: sbbl %eax, %eax ; GENERIC-NEXT: retq ; ; ATOM-LABEL: test15: ; ATOM: ## %bb.0: ## %entry ; ATOM-NEXT: negl %edi ; ATOM-NEXT: sbbl %eax, %eax ; ATOM-NEXT: nop ; ATOM-NEXT: nop ; ATOM-NEXT: nop ; ATOM-NEXT: nop ; ATOM-NEXT: retq ; ; MCU-LABEL: test15: ; MCU: # %bb.0: # %entry ; MCU-NEXT: negl %eax ; MCU-NEXT: sbbl %eax, %eax ; MCU-NEXT: retl entry: %cmp = icmp ne i32 %x, 0 %sub = sext i1 %cmp to i32 ret i32 %sub } define i64 @test16(i64 %x) nounwind uwtable readnone ssp { ; GENERIC-LABEL: test16: ; GENERIC: ## %bb.0: ## %entry ; GENERIC-NEXT: negq %rdi ; GENERIC-NEXT: sbbq %rax, %rax ; GENERIC-NEXT: retq ; ; ATOM-LABEL: test16: ; ATOM: ## %bb.0: ## %entry ; ATOM-NEXT: negq %rdi ; ATOM-NEXT: sbbq %rax, %rax ; ATOM-NEXT: nop ; ATOM-NEXT: nop ; ATOM-NEXT: nop ; ATOM-NEXT: nop ; ATOM-NEXT: retq ; ; MCU-LABEL: test16: ; MCU: # %bb.0: # %entry ; MCU-NEXT: movl %eax, %ecx ; MCU-NEXT: xorl %eax, %eax ; MCU-NEXT: orl %edx, %ecx ; MCU-NEXT: setne %al ; MCU-NEXT: negl %eax ; MCU-NEXT: movl %eax, %edx ; MCU-NEXT: retl entry: %cmp = icmp ne i64 %x, 0 %conv1 = sext i1 %cmp to i64 ret i64 %conv1 } define i16 @test17(i16 %x) nounwind { ; GENERIC-LABEL: test17: ; GENERIC: ## %bb.0: ## %entry ; GENERIC-NEXT: negw %di ; GENERIC-NEXT: sbbl %eax, %eax ; GENERIC-NEXT: ## kill: def $ax killed $ax killed $eax ; GENERIC-NEXT: retq ; ; ATOM-LABEL: test17: ; ATOM: ## %bb.0: ## %entry ; ATOM-NEXT: negw %di ; ATOM-NEXT: sbbl %eax, %eax ; ATOM-NEXT: ## kill: def $ax killed $ax killed $eax ; ATOM-NEXT: nop ; ATOM-NEXT: nop ; ATOM-NEXT: nop ; ATOM-NEXT: nop ; ATOM-NEXT: retq ; ; MCU-LABEL: test17: ; MCU: # %bb.0: # %entry ; MCU-NEXT: negw %ax ; MCU-NEXT: sbbl %eax, %eax ; MCU-NEXT: # kill: def $ax killed $ax killed $eax ; MCU-NEXT: retl entry: %cmp = icmp ne i16 %x, 0 %sub = sext i1 %cmp to i16 ret i16 %sub } define i8 @test18(i32 %x, i8 zeroext %a, i8 zeroext %b) nounwind { ; GENERIC-LABEL: test18: ; GENERIC: ## %bb.0: ; GENERIC-NEXT: cmpl $15, %edi ; GENERIC-NEXT: cmovgel %edx, %esi ; GENERIC-NEXT: movl %esi, %eax ; GENERIC-NEXT: retq ; ; ATOM-LABEL: test18: ; ATOM: ## %bb.0: ; ATOM-NEXT: cmpl $15, %edi ; ATOM-NEXT: cmovgel %edx, %esi ; ATOM-NEXT: movl %esi, %eax ; ATOM-NEXT: nop ; ATOM-NEXT: nop ; ATOM-NEXT: retq ; ; MCU-LABEL: test18: ; MCU: # %bb.0: ; MCU-NEXT: cmpl $15, %eax ; MCU-NEXT: jl .LBB20_2 ; MCU-NEXT: # %bb.1: ; MCU-NEXT: movl %ecx, %edx ; MCU-NEXT: .LBB20_2: ; MCU-NEXT: movl %edx, %eax ; MCU-NEXT: retl %cmp = icmp slt i32 %x, 15 %sel = select i1 %cmp, i8 %a, i8 %b ret i8 %sel } define i32 @trunc_select_miscompile(i32 %a, i1 zeroext %cc) { ; CHECK-LABEL: trunc_select_miscompile: ; CHECK: ## %bb.0: ; CHECK-NEXT: orb $2, %sil ; CHECK-NEXT: movl %esi, %ecx ; CHECK-NEXT: shll %cl, %edi ; CHECK-NEXT: movl %edi, %eax ; CHECK-NEXT: retq ; ; MCU-LABEL: trunc_select_miscompile: ; MCU: # %bb.0: ; MCU-NEXT: orb $2, %dl ; MCU-NEXT: movl %edx, %ecx ; MCU-NEXT: shll %cl, %eax ; MCU-NEXT: retl %tmp1 = select i1 %cc, i32 3, i32 2 %tmp2 = shl i32 %a, %tmp1 ret i32 %tmp2 } ; reproducer for pr29002 define void @clamp_i8(i32 %src, i8* %dst) { ; GENERIC-LABEL: clamp_i8: ; GENERIC: ## %bb.0: ; GENERIC-NEXT: cmpl $127, %edi ; GENERIC-NEXT: movl $127, %eax ; GENERIC-NEXT: cmovlel %edi, %eax ; GENERIC-NEXT: cmpl $-128, %eax ; GENERIC-NEXT: movb $-128, %cl ; GENERIC-NEXT: jl LBB22_2 ; GENERIC-NEXT: ## %bb.1: ; GENERIC-NEXT: movl %eax, %ecx ; GENERIC-NEXT: LBB22_2: ; GENERIC-NEXT: movb %cl, (%rsi) ; GENERIC-NEXT: retq ; ; ATOM-LABEL: clamp_i8: ; ATOM: ## %bb.0: ; ATOM-NEXT: cmpl $127, %edi ; ATOM-NEXT: movl $127, %eax ; ATOM-NEXT: movb $-128, %cl ; ATOM-NEXT: cmovlel %edi, %eax ; ATOM-NEXT: cmpl $-128, %eax ; ATOM-NEXT: jl LBB22_2 ; ATOM-NEXT: ## %bb.1: ; ATOM-NEXT: movl %eax, %ecx ; ATOM-NEXT: LBB22_2: ; ATOM-NEXT: movb %cl, (%rsi) ; ATOM-NEXT: retq ; ; MCU-LABEL: clamp_i8: ; MCU: # %bb.0: ; MCU-NEXT: cmpl $127, %eax ; MCU-NEXT: movl $127, %ecx ; MCU-NEXT: jg .LBB22_2 ; MCU-NEXT: # %bb.1: ; MCU-NEXT: movl %eax, %ecx ; MCU-NEXT: .LBB22_2: ; MCU-NEXT: cmpl $-128, %ecx ; MCU-NEXT: movb $-128, %al ; MCU-NEXT: jl .LBB22_4 ; MCU-NEXT: # %bb.3: ; MCU-NEXT: movl %ecx, %eax ; MCU-NEXT: .LBB22_4: ; MCU-NEXT: movb %al, (%edx) ; MCU-NEXT: retl %cmp = icmp sgt i32 %src, 127 %sel1 = select i1 %cmp, i32 127, i32 %src %cmp1 = icmp slt i32 %sel1, -128 %sel2 = select i1 %cmp1, i32 -128, i32 %sel1 %conv = trunc i32 %sel2 to i8 store i8 %conv, i8* %dst, align 2 ret void } ; reproducer for pr29002 define void @clamp(i32 %src, i16* %dst) { ; GENERIC-LABEL: clamp: ; GENERIC: ## %bb.0: ; GENERIC-NEXT: cmpl $32767, %edi ## imm = 0x7FFF ; GENERIC-NEXT: movl $32767, %eax ## imm = 0x7FFF ; GENERIC-NEXT: cmovlel %edi, %eax ; GENERIC-NEXT: cmpl $-32768, %eax ## imm = 0x8000 ; GENERIC-NEXT: movl $32768, %ecx ## imm = 0x8000 ; GENERIC-NEXT: cmovgel %eax, %ecx ; GENERIC-NEXT: movw %cx, (%rsi) ; GENERIC-NEXT: retq ; ; ATOM-LABEL: clamp: ; ATOM: ## %bb.0: ; ATOM-NEXT: cmpl $32767, %edi ## imm = 0x7FFF ; ATOM-NEXT: movl $32767, %eax ## imm = 0x7FFF ; ATOM-NEXT: movl $32768, %ecx ## imm = 0x8000 ; ATOM-NEXT: cmovlel %edi, %eax ; ATOM-NEXT: cmpl $-32768, %eax ## imm = 0x8000 ; ATOM-NEXT: cmovgel %eax, %ecx ; ATOM-NEXT: movw %cx, (%rsi) ; ATOM-NEXT: retq ; ; MCU-LABEL: clamp: ; MCU: # %bb.0: ; MCU-NEXT: cmpl $32767, %eax # imm = 0x7FFF ; MCU-NEXT: movl $32767, %ecx # imm = 0x7FFF ; MCU-NEXT: jg .LBB23_2 ; MCU-NEXT: # %bb.1: ; MCU-NEXT: movl %eax, %ecx ; MCU-NEXT: .LBB23_2: ; MCU-NEXT: cmpl $-32768, %ecx # imm = 0x8000 ; MCU-NEXT: movl $32768, %eax # imm = 0x8000 ; MCU-NEXT: jl .LBB23_4 ; MCU-NEXT: # %bb.3: ; MCU-NEXT: movl %ecx, %eax ; MCU-NEXT: .LBB23_4: ; MCU-NEXT: movw %ax, (%edx) ; MCU-NEXT: retl %cmp = icmp sgt i32 %src, 32767 %sel1 = select i1 %cmp, i32 32767, i32 %src %cmp1 = icmp slt i32 %sel1, -32768 %sel2 = select i1 %cmp1, i32 -32768, i32 %sel1 %conv = trunc i32 %sel2 to i16 store i16 %conv, i16* %dst, align 2 ret void } define void @test19() { ; This is a massive reduction of an llvm-stress test case that generates ; interesting chains feeding setcc and eventually a f32 select operation. This ; is intended to exercise the SELECT formation in the DAG combine simplifying ; a simplified select_cc node. If it it regresses and is no longer triggering ; that code path, it can be deleted. ; ; CHECK-LABEL: test19: ; CHECK: ## %bb.0: ## %BB ; CHECK-NEXT: movl $-1, %eax ; CHECK-NEXT: movb $1, %cl ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: LBB24_1: ## %CF ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: testb %cl, %cl ; CHECK-NEXT: jne LBB24_1 ; CHECK-NEXT: ## %bb.2: ## %CF250 ; CHECK-NEXT: ## in Loop: Header=BB24_1 Depth=1 ; CHECK-NEXT: jne LBB24_1 ; CHECK-NEXT: .p2align 4, 0x90 ; CHECK-NEXT: LBB24_3: ## %CF242 ; CHECK-NEXT: ## =>This Inner Loop Header: Depth=1 ; CHECK-NEXT: cmpl %eax, %eax ; CHECK-NEXT: ucomiss %xmm0, %xmm0 ; CHECK-NEXT: jp LBB24_3 ; CHECK-NEXT: ## %bb.4: ## %CF244 ; CHECK-NEXT: retq ; ; MCU-LABEL: test19: ; MCU: # %bb.0: # %BB ; MCU-NEXT: movl $-1, %ecx ; MCU-NEXT: movb $1, %al ; MCU-NEXT: .p2align 4, 0x90 ; MCU-NEXT: .LBB24_1: # %CF ; MCU-NEXT: # =>This Inner Loop Header: Depth=1 ; MCU-NEXT: testb %al, %al ; MCU-NEXT: jne .LBB24_1 ; MCU-NEXT: # %bb.2: # %CF250 ; MCU-NEXT: # in Loop: Header=BB24_1 Depth=1 ; MCU-NEXT: jne .LBB24_1 ; MCU-NEXT: # %bb.3: # %CF242.preheader ; MCU-NEXT: fldz ; MCU-NEXT: .p2align 4, 0x90 ; MCU-NEXT: .LBB24_4: # %CF242 ; MCU-NEXT: # =>This Inner Loop Header: Depth=1 ; MCU-NEXT: cmpl %eax, %ecx ; MCU-NEXT: fucom %st(0) ; MCU-NEXT: fnstsw %ax ; MCU-NEXT: # kill: def $ah killed $ah killed $ax ; MCU-NEXT: sahf ; MCU-NEXT: jp .LBB24_4 ; MCU-NEXT: # %bb.5: # %CF244 ; MCU-NEXT: fstp %st(0) ; MCU-NEXT: retl BB: br label %CF CF: %Cmp10 = icmp ule i8 undef, undef br i1 %Cmp10, label %CF, label %CF250 CF250: %E12 = extractelement <4 x i32> <i32 -1, i32 -1, i32 -1, i32 -1>, i32 2 %Cmp32 = icmp ugt i1 %Cmp10, false br i1 %Cmp32, label %CF, label %CF242 CF242: %Cmp38 = icmp uge i32 %E12, undef %FC = uitofp i1 %Cmp38 to float %Sl59 = select i1 %Cmp32, float %FC, float undef %Cmp60 = fcmp ugt float undef, undef br i1 %Cmp60, label %CF242, label %CF244 CF244: %B122 = fadd float %Sl59, undef ret void } define i16 @select_xor_1(i16 %A, i8 %cond) { ; CHECK-LABEL: select_xor_1: ; CHECK: ## %bb.0: ## %entry ; CHECK-NEXT: movl %edi, %eax ; CHECK-NEXT: xorl $43, %eax ; CHECK-NEXT: testb $1, %sil ; CHECK-NEXT: cmovel %edi, %eax ; CHECK-NEXT: ## kill: def $ax killed $ax killed $eax ; CHECK-NEXT: retq ; ; MCU-LABEL: select_xor_1: ; MCU: # %bb.0: # %entry ; MCU-NEXT: andl $1, %edx ; MCU-NEXT: negl %edx ; MCU-NEXT: andl $43, %edx ; MCU-NEXT: xorl %edx, %eax ; MCU-NEXT: # kill: def $ax killed $ax killed $eax ; MCU-NEXT: retl entry: %and = and i8 %cond, 1 %cmp10 = icmp eq i8 %and, 0 %0 = xor i16 %A, 43 %1 = select i1 %cmp10, i16 %A, i16 %0 ret i16 %1 } ; Equivalent to above, but with icmp ne (and %cond, 1), 1 instead of ; icmp eq (and %cond, 1), 0 define i16 @select_xor_1b(i16 %A, i8 %cond) { ; CHECK-LABEL: select_xor_1b: ; CHECK: ## %bb.0: ## %entry ; CHECK-NEXT: movl %edi, %eax ; CHECK-NEXT: xorl $43, %eax ; CHECK-NEXT: testb $1, %sil ; CHECK-NEXT: cmovel %edi, %eax ; CHECK-NEXT: ## kill: def $ax killed $ax killed $eax ; CHECK-NEXT: retq ; ; MCU-LABEL: select_xor_1b: ; MCU: # %bb.0: # %entry ; MCU-NEXT: testb $1, %dl ; MCU-NEXT: je .LBB26_2 ; MCU-NEXT: # %bb.1: ; MCU-NEXT: xorl $43, %eax ; MCU-NEXT: .LBB26_2: # %entry ; MCU-NEXT: # kill: def $ax killed $ax killed $eax ; MCU-NEXT: retl entry: %and = and i8 %cond, 1 %cmp10 = icmp ne i8 %and, 1 %0 = xor i16 %A, 43 %1 = select i1 %cmp10, i16 %A, i16 %0 ret i16 %1 } define i32 @select_xor_2(i32 %A, i32 %B, i8 %cond) { ; CHECK-LABEL: select_xor_2: ; CHECK: ## %bb.0: ## %entry ; CHECK-NEXT: xorl %edi, %esi ; CHECK-NEXT: testb $1, %dl ; CHECK-NEXT: cmovel %edi, %esi ; CHECK-NEXT: movl %esi, %eax ; CHECK-NEXT: retq ; ; MCU-LABEL: select_xor_2: ; MCU: # %bb.0: # %entry ; MCU-NEXT: andl $1, %ecx ; MCU-NEXT: negl %ecx ; MCU-NEXT: andl %edx, %ecx ; MCU-NEXT: xorl %ecx, %eax ; MCU-NEXT: retl entry: %and = and i8 %cond, 1 %cmp10 = icmp eq i8 %and, 0 %0 = xor i32 %B, %A %1 = select i1 %cmp10, i32 %A, i32 %0 ret i32 %1 } ; Equivalent to above, but with icmp ne (and %cond, 1), 1 instead of ; icmp eq (and %cond, 1), 0 define i32 @select_xor_2b(i32 %A, i32 %B, i8 %cond) { ; CHECK-LABEL: select_xor_2b: ; CHECK: ## %bb.0: ## %entry ; CHECK-NEXT: xorl %edi, %esi ; CHECK-NEXT: testb $1, %dl ; CHECK-NEXT: cmovel %edi, %esi ; CHECK-NEXT: movl %esi, %eax ; CHECK-NEXT: retq ; ; MCU-LABEL: select_xor_2b: ; MCU: # %bb.0: # %entry ; MCU-NEXT: testb $1, %cl ; MCU-NEXT: je .LBB28_2 ; MCU-NEXT: # %bb.1: ; MCU-NEXT: xorl %edx, %eax ; MCU-NEXT: .LBB28_2: # %entry ; MCU-NEXT: retl entry: %and = and i8 %cond, 1 %cmp10 = icmp ne i8 %and, 1 %0 = xor i32 %B, %A %1 = select i1 %cmp10, i32 %A, i32 %0 ret i32 %1 } define i32 @select_or(i32 %A, i32 %B, i8 %cond) { ; CHECK-LABEL: select_or: ; CHECK: ## %bb.0: ## %entry ; CHECK-NEXT: orl %edi, %esi ; CHECK-NEXT: testb $1, %dl ; CHECK-NEXT: cmovel %edi, %esi ; CHECK-NEXT: movl %esi, %eax ; CHECK-NEXT: retq ; ; MCU-LABEL: select_or: ; MCU: # %bb.0: # %entry ; MCU-NEXT: andl $1, %ecx ; MCU-NEXT: negl %ecx ; MCU-NEXT: andl %edx, %ecx ; MCU-NEXT: orl %ecx, %eax ; MCU-NEXT: retl entry: %and = and i8 %cond, 1 %cmp10 = icmp eq i8 %and, 0 %0 = or i32 %B, %A %1 = select i1 %cmp10, i32 %A, i32 %0 ret i32 %1 } ; Equivalent to above, but with icmp ne (and %cond, 1), 1 instead of ; icmp eq (and %cond, 1), 0 define i32 @select_or_b(i32 %A, i32 %B, i8 %cond) { ; CHECK-LABEL: select_or_b: ; CHECK: ## %bb.0: ## %entry ; CHECK-NEXT: orl %edi, %esi ; CHECK-NEXT: testb $1, %dl ; CHECK-NEXT: cmovel %edi, %esi ; CHECK-NEXT: movl %esi, %eax ; CHECK-NEXT: retq ; ; MCU-LABEL: select_or_b: ; MCU: # %bb.0: # %entry ; MCU-NEXT: testb $1, %cl ; MCU-NEXT: je .LBB30_2 ; MCU-NEXT: # %bb.1: ; MCU-NEXT: orl %edx, %eax ; MCU-NEXT: .LBB30_2: # %entry ; MCU-NEXT: retl entry: %and = and i8 %cond, 1 %cmp10 = icmp ne i8 %and, 1 %0 = or i32 %B, %A %1 = select i1 %cmp10, i32 %A, i32 %0 ret i32 %1 } define i32 @select_or_1(i32 %A, i32 %B, i32 %cond) { ; CHECK-LABEL: select_or_1: ; CHECK: ## %bb.0: ## %entry ; CHECK-NEXT: orl %edi, %esi ; CHECK-NEXT: testb $1, %dl ; CHECK-NEXT: cmovel %edi, %esi ; CHECK-NEXT: movl %esi, %eax ; CHECK-NEXT: retq ; ; MCU-LABEL: select_or_1: ; MCU: # %bb.0: # %entry ; MCU-NEXT: andl $1, %ecx ; MCU-NEXT: negl %ecx ; MCU-NEXT: andl %edx, %ecx ; MCU-NEXT: orl %ecx, %eax ; MCU-NEXT: retl entry: %and = and i32 %cond, 1 %cmp10 = icmp eq i32 %and, 0 %0 = or i32 %B, %A %1 = select i1 %cmp10, i32 %A, i32 %0 ret i32 %1 } ; Equivalent to above, but with icmp ne (and %cond, 1), 1 instead of ; icmp eq (and %cond, 1), 0 define i32 @select_or_1b(i32 %A, i32 %B, i32 %cond) { ; CHECK-LABEL: select_or_1b: ; CHECK: ## %bb.0: ## %entry ; CHECK-NEXT: orl %edi, %esi ; CHECK-NEXT: testb $1, %dl ; CHECK-NEXT: cmovel %edi, %esi ; CHECK-NEXT: movl %esi, %eax ; CHECK-NEXT: retq ; ; MCU-LABEL: select_or_1b: ; MCU: # %bb.0: # %entry ; MCU-NEXT: testb $1, %cl ; MCU-NEXT: je .LBB32_2 ; MCU-NEXT: # %bb.1: ; MCU-NEXT: orl %edx, %eax ; MCU-NEXT: .LBB32_2: # %entry ; MCU-NEXT: retl entry: %and = and i32 %cond, 1 %cmp10 = icmp ne i32 %and, 1 %0 = or i32 %B, %A %1 = select i1 %cmp10, i32 %A, i32 %0 ret i32 %1 }