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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
; Check there's no assert in the coalescer from implicit-def operands
; on an IMPLICIT_DEF.
define i1 @_ZN4llvm8LLParser17parseDIEnumeratorERPNS_6MDNodeEb(i32 %arg) {
; CHECK-LABEL: _ZN4llvm8LLParser17parseDIEnumeratorERPNS_6MDNodeEb:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: xorl %ecx, %ecx
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: cmpl $1, %edi
; CHECK-NEXT: je .LBB0_1
; CHECK-NEXT: # %bb.2: # %entry
; CHECK-NEXT: testl %edi, %edi
; CHECK-NEXT: jne .LBB0_4
; CHECK-NEXT: # %bb.3: # %if.end.i.i.preheader
; CHECK-NEXT: movb $1, %al
; CHECK-NEXT: movl $1, %ecx
; CHECK-NEXT: .LBB0_4: # %if.then.i.i
; CHECK-NEXT: movb $1, %dl
; CHECK-NEXT: testb %dl, %dl
; CHECK-NEXT: je .LBB0_6
; CHECK-NEXT: .LBB0_7: # %do.end
; CHECK-NEXT: movq %rcx, 0
; CHECK-NEXT: movb %al, 0
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: retq
; CHECK-NEXT: .LBB0_1:
; CHECK-NEXT: xorl %edx, %edx
; CHECK-NEXT: testb %dl, %dl
; CHECK-NEXT: jne .LBB0_7
; CHECK-NEXT: .LBB0_6: # %if.then8
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: retq
entry:
switch i32 %arg, label %if.then.i.i [
i32 1, label %"_ZN4llvm8LLParser17parseMDFieldsImplIZNS0_17parseDIEnumeratorERPNS_6MDNodeEbE3$_0EEbT_RNS_5SMLocE.exit"
i32 0, label %if.end.i.i.preheader
]
if.end.i.i.preheader: ; preds = %entry
br label %if.then.i.i
if.then.i.i: ; preds = %if.end.i.i.preheader, %entry
%i = phi i64 [ 0, %entry ], [ 1, %if.end.i.i.preheader ]
%i1 = phi i8 [ 0, %entry ], [ 1, %if.end.i.i.preheader ]
br label %"_ZN4llvm8LLParser17parseMDFieldsImplIZNS0_17parseDIEnumeratorERPNS_6MDNodeEbE3$_0EEbT_RNS_5SMLocE.exit"
"_ZN4llvm8LLParser17parseMDFieldsImplIZNS0_17parseDIEnumeratorERPNS_6MDNodeEbE3$_0EEbT_RNS_5SMLocE.exit": ; preds = %if.then.i.i, %entry
%i2 = phi i64 [ 0, %entry ], [ %i, %if.then.i.i ]
%i3 = phi i8 [ 0, %entry ], [ %i1, %if.then.i.i ]
%i4 = phi i8 [ 0, %entry ], [ 1, %if.then.i.i ]
%tobool7.not = icmp eq i8 %i4, 0
br i1 %tobool7.not, label %if.then8, label %do.end
if.then8: ; preds = %"_ZN4llvm8LLParser17parseMDFieldsImplIZNS0_17parseDIEnumeratorERPNS_6MDNodeEbE3$_0EEbT_RNS_5SMLocE.exit"
ret i1 false
do.end: ; preds = %"_ZN4llvm8LLParser17parseMDFieldsImplIZNS0_17parseDIEnumeratorERPNS_6MDNodeEbE3$_0EEbT_RNS_5SMLocE.exit"
store i64 %i2, ptr null, align 8
store i8 %i3, ptr null, align 4
ret i1 false
}
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