test-shrink-bug.ll
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i386-apple-darwin10.0 | FileCheck %s --check-prefix=CHECK-X86
; RUN: llc < %s -mtriple=x86_64-grtev4-linux-gnu | FileCheck %s --check-prefix=CHECK-X64
@g_14 = global i8 -6, align 1 ; <i8*> [#uses=1]
declare i32 @func_16(i8 signext %p_19, i32 %p_20) nounwind
define i32 @func_35(i64 %p_38) nounwind ssp {
; CHECK-X86-LABEL: func_35:
; CHECK-X86: ## %bb.0: ## %entry
; CHECK-X86-NEXT: subl $12, %esp
; CHECK-X86-NEXT: movsbl _g_14, %eax
; CHECK-X86-NEXT: xorl %ecx, %ecx
; CHECK-X86-NEXT: testl $255, %eax
; CHECK-X86-NEXT: setg %cl
; CHECK-X86-NEXT: subl $8, %esp
; CHECK-X86-NEXT: pushl %ecx
; CHECK-X86-NEXT: pushl %eax
; CHECK-X86-NEXT: calll _func_16
; CHECK-X86-NEXT: addl $16, %esp
; CHECK-X86-NEXT: movl $1, %eax
; CHECK-X86-NEXT: addl $12, %esp
; CHECK-X86-NEXT: retl
;
; CHECK-X64-LABEL: func_35:
; CHECK-X64: # %bb.0: # %entry
; CHECK-X64-NEXT: pushq %rax
; CHECK-X64-NEXT: movsbl {{.*}}(%rip), %edi
; CHECK-X64-NEXT: xorl %esi, %esi
; CHECK-X64-NEXT: testl $255, %edi
; CHECK-X64-NEXT: setg %sil
; CHECK-X64-NEXT: callq func_16
; CHECK-X64-NEXT: movl $1, %eax
; CHECK-X64-NEXT: popq %rcx
; CHECK-X64-NEXT: retq
entry:
%tmp = load i8, i8* @g_14 ; <i8> [#uses=2]
%conv = zext i8 %tmp to i32 ; <i32> [#uses=1]
%cmp = icmp sle i32 1, %conv ; <i1> [#uses=1]
%conv2 = zext i1 %cmp to i32 ; <i32> [#uses=1]
%call = call i32 @func_16(i8 signext %tmp, i32 %conv2) ssp ; <i32> [#uses=1]
ret i32 1
}
define void @fail(i16 %a, <2 x i8> %b) {
; CHECK-X86-LABEL: fail:
; CHECK-X86: ## %bb.0:
; CHECK-X86-NEXT: subl $12, %esp
; CHECK-X86-NEXT: .cfi_def_cfa_offset 16
; CHECK-X86-NEXT: movzwl {{[0-9]+}}(%esp), %ecx
; CHECK-X86-NEXT: cmpb $123, {{[0-9]+}}(%esp)
; CHECK-X86-NEXT: sete %al
; CHECK-X86-NEXT: testl $263, %ecx ## imm = 0x107
; CHECK-X86-NEXT: je LBB1_3
; CHECK-X86-NEXT: ## %bb.1:
; CHECK-X86-NEXT: testb %al, %al
; CHECK-X86-NEXT: jne LBB1_3
; CHECK-X86-NEXT: ## %bb.2: ## %no
; CHECK-X86-NEXT: calll _bar
; CHECK-X86-NEXT: LBB1_3: ## %yes
; CHECK-X86-NEXT: addl $12, %esp
; CHECK-X86-NEXT: retl
;
; CHECK-X64-LABEL: fail:
; CHECK-X64: # %bb.0:
; CHECK-X64-NEXT: pushq %rax
; CHECK-X64-NEXT: .cfi_def_cfa_offset 16
; CHECK-X64-NEXT: testl $263, %edi # imm = 0x107
; CHECK-X64-NEXT: je .LBB1_3
; CHECK-X64-NEXT: # %bb.1:
; CHECK-X64-NEXT: pcmpeqb {{.*}}(%rip), %xmm0
; CHECK-X64-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; CHECK-X64-NEXT: pextrw $1, %xmm0, %eax
; CHECK-X64-NEXT: testb $1, %al
; CHECK-X64-NEXT: jne .LBB1_3
; CHECK-X64-NEXT: # %bb.2: # %no
; CHECK-X64-NEXT: callq bar
; CHECK-X64-NEXT: .LBB1_3: # %yes
; CHECK-X64-NEXT: popq %rax
; CHECK-X64-NEXT: .cfi_def_cfa_offset 8
; CHECK-X64-NEXT: retq
%1 = icmp eq <2 x i8> %b, <i8 40, i8 123>
%2 = extractelement <2 x i1> %1, i32 1
%3 = and i16 %a, 263
%4 = icmp eq i16 %3, 0
%merge = or i1 %4, %2
br i1 %merge, label %yes, label %no
yes: ; preds = %0
ret void
no: ; preds = %0
call void @bar()
ret void
}
declare void @bar()