5e02fd8d0b
This fixes the infinite loop discovered in #114195. Since we skip debug instructions at the start of the loop we do not need to skip them again at the end of the loop.
83 lines
3.2 KiB
LLVM
Executable File
83 lines
3.2 KiB
LLVM
Executable File
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc %s -o - | FileCheck %s
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target triple = "i686-unknown-linux-gnu"
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define noundef i32 @test(i1 %tobool1.not, i32 %sh.012, i1 %cmp, i64 %sh_prom, i64 %shl) {
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; CHECK-LABEL: test:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: pushl %ebp
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: pushl %ebx
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; CHECK-NEXT: .cfi_def_cfa_offset 12
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; CHECK-NEXT: pushl %edi
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: pushl %esi
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; CHECK-NEXT: .cfi_def_cfa_offset 20
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; CHECK-NEXT: .cfi_offset %esi, -20
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; CHECK-NEXT: .cfi_offset %edi, -16
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; CHECK-NEXT: .cfi_offset %ebx, -12
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; CHECK-NEXT: .cfi_offset %ebp, -8
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; CHECK-NEXT: xorl %esi, %esi
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; CHECK-NEXT: movzbl {{[0-9]+}}(%esp), %edx
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; CHECK-NEXT: movb {{[0-9]+}}(%esp), %dh
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; CHECK-NEXT: xorl %edi, %edi
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; CHECK-NEXT: jmp .LBB0_1
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; CHECK-NEXT: .p2align 4
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; CHECK-NEXT: .LBB0_4: # %if.end
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; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
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; CHECK-NEXT: orl %ecx, %ebx
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; CHECK-NEXT: orl %eax, %ebp
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; CHECK-NEXT: movl %ebx, %esi
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; CHECK-NEXT: movl %ebp, %edi
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; CHECK-NEXT: .LBB0_1: # %for.body
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; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: testb $1, %dh
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; CHECK-NEXT: je .LBB0_1
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; CHECK-NEXT: # %bb.2: # %if.end
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; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
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; CHECK-NEXT: xorl %ebx, %ebx
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; CHECK-NEXT: testb $1, %dl
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; CHECK-NEXT: movl $0, %ebp
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; CHECK-NEXT: jne .LBB0_4
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; CHECK-NEXT: # %bb.3: # %if.end
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; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
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; CHECK-NEXT: movl %esi, %ebx
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; CHECK-NEXT: movl %edi, %ebp
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; CHECK-NEXT: jmp .LBB0_4
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entry:
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br label %for.body
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for.body: ; preds = %for.inc, %entry
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%bitmap.013 = phi i64 [ 0, %entry ], [ %bitmap.2, %for.inc ]
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br i1 %tobool1.not, label %if.end, label %for.inc
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if.end: ; preds = %for.body
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%spec.select10 = select i1 %cmp, i64 0, i64 %bitmap.013
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%shl6 = shl nuw i64 1, %sh_prom
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%or = or i64 %shl, %spec.select10
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tail call void @llvm.dbg.value(metadata i64 %or, metadata !17, metadata !DIExpression()), !dbg !21
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br label %for.inc
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for.inc: ; preds = %if.end, %for.body
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%bitmap.2 = phi i64 [ %bitmap.013, %for.body ], [ %or, %if.end ]
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%tobool.not = icmp eq i32 0, 0
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br label %for.body
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}
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!16}
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!0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, enums: !2)
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!1 = !DIFile(filename: "test.c", directory: "test")
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!2 = !{}
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!16 = !{i32 2, !"Debug Info Version", i32 3}
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!17 = !DILocalVariable(name: "bitmap", scope: !18, file: !1, line: 8, type: !20)
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!18 = distinct !DISubprogram(name: "test", scope: !1, file: !1, line: 6, type: !19, scopeLine: 6, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
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!19 = !DISubroutineType(types: !2)
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!20 = !DIBasicType(name: "long long", size: 64, encoding: DW_ATE_signed)
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!21 = !DILocation(line: 0, scope: !18)
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