1*b651fdffSSimon Pilgrim; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2*b651fdffSSimon Pilgrim; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefixes=X86 3*b651fdffSSimon Pilgrim; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefixes=X64 4*b651fdffSSimon Pilgrim 5*b651fdffSSimon Pilgrim; Ensure that the (pre-extended) shift amount type is wide enough to take any mask. 6*b651fdffSSimon Pilgrimdefine void @PR56859() { 7*b651fdffSSimon Pilgrim; X86-LABEL: PR56859: 8*b651fdffSSimon Pilgrim; X86: # %bb.0: # %entry 9*b651fdffSSimon Pilgrim; X86-NEXT: movl (%eax), %ecx 10*b651fdffSSimon Pilgrim; X86-NEXT: testl %ecx, %ecx 11*b651fdffSSimon Pilgrim; X86-NEXT: setne %al 12*b651fdffSSimon Pilgrim; X86-NEXT: movl $1, %edx 13*b651fdffSSimon Pilgrim; X86-NEXT: # kill: def $cl killed $cl killed $ecx 14*b651fdffSSimon Pilgrim; X86-NEXT: shrl %cl, %edx 15*b651fdffSSimon Pilgrim; X86-NEXT: btsl %eax, %edx 16*b651fdffSSimon Pilgrim; X86-NEXT: movl %edx, (%eax) 17*b651fdffSSimon Pilgrim; X86-NEXT: retl 18*b651fdffSSimon Pilgrim; 19*b651fdffSSimon Pilgrim; X64-LABEL: PR56859: 20*b651fdffSSimon Pilgrim; X64: # %bb.0: # %entry 21*b651fdffSSimon Pilgrim; X64-NEXT: movl (%rax), %ecx 22*b651fdffSSimon Pilgrim; X64-NEXT: testl %ecx, %ecx 23*b651fdffSSimon Pilgrim; X64-NEXT: setne %al 24*b651fdffSSimon Pilgrim; X64-NEXT: movl $1, %edx 25*b651fdffSSimon Pilgrim; X64-NEXT: # kill: def $cl killed $cl killed $ecx 26*b651fdffSSimon Pilgrim; X64-NEXT: shrl %cl, %edx 27*b651fdffSSimon Pilgrim; X64-NEXT: btsl %eax, %edx 28*b651fdffSSimon Pilgrim; X64-NEXT: movl %edx, (%rax) 29*b651fdffSSimon Pilgrim; X64-NEXT: retq 30*b651fdffSSimon Pilgrimentry: 31*b651fdffSSimon Pilgrim %0 = load i32, ptr undef, align 4 32*b651fdffSSimon Pilgrim %tobool = icmp ne i32 %0, 0 33*b651fdffSSimon Pilgrim %lor.ext = zext i1 %tobool to i32 34*b651fdffSSimon Pilgrim %shr = lshr i32 1, %0 35*b651fdffSSimon Pilgrim %shl = shl i32 1, %lor.ext 36*b651fdffSSimon Pilgrim %or = or i32 %shl, %shr 37*b651fdffSSimon Pilgrim store i32 %or, ptr undef, align 4 38*b651fdffSSimon Pilgrim ret void 39*b651fdffSSimon Pilgrim} 40