; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=x86_64-unknown-unknown < %s | FileCheck %s ; Verify that backwards propagation of a mask does not affect ; nodes with multiple result values. In both tests, the stored ; 32-bit value should be masked to an 8-bit number (and 255). @b = local_unnamed_addr global i32 918, align 4 @d = local_unnamed_addr global i32 8089, align 4 @c = common local_unnamed_addr global i32 0, align 4 @a = common local_unnamed_addr global i32 0, align 4 define void @PR37667() { ; CHECK-LABEL: PR37667: ; CHECK: # %bb.0: ; CHECK-NEXT: movl {{.*}}(%rip), %eax ; CHECK-NEXT: xorl %edx, %edx ; CHECK-NEXT: divl {{.*}}(%rip) ; CHECK-NEXT: orl {{.*}}(%rip), %edx ; CHECK-NEXT: movzbl %dl, %eax ; CHECK-NEXT: movl %eax, {{.*}}(%rip) ; CHECK-NEXT: retq %t0 = load i32, i32* @c, align 4 %t1 = load i32, i32* @b, align 4 %t2 = load i32, i32* @d, align 4 %rem = urem i32 %t1, %t2 %or = or i32 %rem, %t0 %conv1 = and i32 %or, 255 store i32 %conv1, i32* @a, align 4 ret void } define void @PR37060() { ; CHECK-LABEL: PR37060: ; CHECK: # %bb.0: ; CHECK-NEXT: movl $-1, %eax ; CHECK-NEXT: cltd ; CHECK-NEXT: idivl {{.*}}(%rip) ; CHECK-NEXT: xorl {{.*}}(%rip), %edx ; CHECK-NEXT: movzbl %dl, %eax ; CHECK-NEXT: movl %eax, {{.*}}(%rip) ; CHECK-NEXT: retq %t0 = load i32, i32* @c, align 4 %rem = srem i32 -1, %t0 %t2 = load i32, i32* @b, align 4 %xor = xor i32 %t2, %rem %conv3 = and i32 %xor, 255 store i32 %conv3, i32* @a, align 4 ret void }