; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ;RUN: llc < %s | FileCheck %s ; This test case failed on legalization of "shl" node. PR29058. target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" @structMember = external dso_local local_unnamed_addr global i64, align 8 define i32 @PR29058(i8 %x, i32 %y) { ; CHECK-LABEL: PR29058: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: testb %dil, %dil ; CHECK-NEXT: movl $2147483646, %eax # imm = 0x7FFFFFFE ; CHECK-NEXT: cmovnel %esi, %eax ; CHECK-NEXT: xorl %ecx, %ecx ; CHECK-NEXT: cmpb $1, %dil ; CHECK-NEXT: sbbl %ecx, %ecx ; CHECK-NEXT: orb %sil, %cl ; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx ; CHECK-NEXT: shll %cl, %eax ; CHECK-NEXT: movq %rax, structMember(%rip) ; CHECK-NEXT: # kill: def $eax killed $eax killed $rax ; CHECK-NEXT: retq entry: %bool_1 = icmp ne i8 %x, 0 %bool_2 = icmp eq i8 %x, 0 %0 = select i1 %bool_2, i32 2147483646, i32 %y %or_1 = select i1 %bool_1, i32 %y, i32 -1 %shl_1 = shl i32 %0, %or_1 %conv = zext i32 %shl_1 to i64 store i64 %conv, ptr @structMember, align 8 %tmp = select i1 %bool_2, i32 2147483646, i32 %y %lnot = icmp eq i8 %x, 0 %or_2 = select i1 %lnot, i32 -1, i32 %y %shl_2 = shl i32 %tmp, %or_2 ret i32 %shl_2 }