; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=+mmx < %s | FileCheck %s --check-prefix=X64 ; RUN: llc -mtriple=i686-unknown-unknown -mattr=+mmx < %s | FileCheck %s --check-prefix=I32 ; From source: clang -02 ;__m64 test47(int a) ;{ ; __m64 x = (a)? (__m64)(7): (__m64)(0); ; return __builtin_ia32_psllw(x, x); ;} define i64 @test47(i64 %arg) { ; ; X64-LABEL: test47: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: testq %rdi, %rdi ; X64-NEXT: movl $7, %ecx ; X64-NEXT: cmoveq %rcx, %rax ; X64-NEXT: movq %rax, %mm0 ; X64-NEXT: psllw %mm0, %mm0 ; X64-NEXT: movq %mm0, %rax ; X64-NEXT: retq ; ; I32-LABEL: test47: ; I32: # %bb.0: ; I32-NEXT: pushl %ebp ; I32-NEXT: .cfi_def_cfa_offset 8 ; I32-NEXT: .cfi_offset %ebp, -8 ; I32-NEXT: movl %esp, %ebp ; I32-NEXT: .cfi_def_cfa_register %ebp ; I32-NEXT: andl $-8, %esp ; I32-NEXT: subl $16, %esp ; I32-NEXT: movl 8(%ebp), %eax ; I32-NEXT: orl 12(%ebp), %eax ; I32-NEXT: movl $7, %eax ; I32-NEXT: je .LBB0_2 ; I32-NEXT: # %bb.1: ; I32-NEXT: xorl %eax, %eax ; I32-NEXT: .LBB0_2: ; I32-NEXT: movl %eax, {{[0-9]+}}(%esp) ; I32-NEXT: movl $0, {{[0-9]+}}(%esp) ; I32-NEXT: movq {{[0-9]+}}(%esp), %mm0 ; I32-NEXT: psllw %mm0, %mm0 ; I32-NEXT: movq %mm0, (%esp) ; I32-NEXT: movl (%esp), %eax ; I32-NEXT: movl {{[0-9]+}}(%esp), %edx ; I32-NEXT: movl %ebp, %esp ; I32-NEXT: popl %ebp ; I32-NEXT: .cfi_def_cfa %esp, 4 ; I32-NEXT: retl %cond = icmp eq i64 %arg, 0 %slct = select i1 %cond, x86_mmx bitcast (i64 7 to x86_mmx), x86_mmx bitcast (i64 0 to x86_mmx) %psll = tail call x86_mmx @llvm.x86.mmx.psll.w(x86_mmx %slct, x86_mmx %slct) %retc = bitcast x86_mmx %psll to i64 ret i64 %retc } ; From source: clang -O2 ;__m64 test49(int a, long long n, long long m) ;{ ; __m64 x = (a)? (__m64)(n): (__m64)(m); ; return __builtin_ia32_psllw(x, x); ;} define i64 @test49(i64 %arg, i64 %x, i64 %y) { ; ; X64-LABEL: test49: ; X64: # %bb.0: ; X64-NEXT: testq %rdi, %rdi ; X64-NEXT: cmovneq %rdx, %rsi ; X64-NEXT: movq %rsi, %mm0 ; X64-NEXT: psllw %mm0, %mm0 ; X64-NEXT: movq %mm0, %rax ; X64-NEXT: retq ; ; I32-LABEL: test49: ; I32: # %bb.0: ; I32-NEXT: pushl %ebp ; I32-NEXT: .cfi_def_cfa_offset 8 ; I32-NEXT: .cfi_offset %ebp, -8 ; I32-NEXT: movl %esp, %ebp ; I32-NEXT: .cfi_def_cfa_register %ebp ; I32-NEXT: andl $-8, %esp ; I32-NEXT: subl $8, %esp ; I32-NEXT: movl 8(%ebp), %eax ; I32-NEXT: orl 12(%ebp), %eax ; I32-NEXT: je .LBB1_1 ; I32-NEXT: # %bb.2: ; I32-NEXT: leal 24(%ebp), %eax ; I32-NEXT: jmp .LBB1_3 ; I32-NEXT: .LBB1_1: ; I32-NEXT: leal 16(%ebp), %eax ; I32-NEXT: .LBB1_3: ; I32-NEXT: movq (%eax), %mm0 ; I32-NEXT: psllw %mm0, %mm0 ; I32-NEXT: movq %mm0, (%esp) ; I32-NEXT: movl (%esp), %eax ; I32-NEXT: movl {{[0-9]+}}(%esp), %edx ; I32-NEXT: movl %ebp, %esp ; I32-NEXT: popl %ebp ; I32-NEXT: .cfi_def_cfa %esp, 4 ; I32-NEXT: retl %cond = icmp eq i64 %arg, 0 %xmmx = bitcast i64 %x to x86_mmx %ymmx = bitcast i64 %y to x86_mmx %slct = select i1 %cond, x86_mmx %xmmx, x86_mmx %ymmx %psll = tail call x86_mmx @llvm.x86.mmx.psll.w(x86_mmx %slct, x86_mmx %slct) %retc = bitcast x86_mmx %psll to i64 ret i64 %retc } declare x86_mmx @llvm.x86.mmx.psll.w(x86_mmx, x86_mmx)