forked from OSchip/llvm-project
65 lines
2.3 KiB
LLVM
65 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-- | FileCheck %s
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; PR964
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define i8* @FindChar(i8* %CurPtr) {
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; CHECK-LABEL: FindChar:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: pushl %edi
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: pushl %esi
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; CHECK-NEXT: .cfi_def_cfa_offset 12
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; CHECK-NEXT: .cfi_offset %esi, -12
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; CHECK-NEXT: .cfi_offset %edi, -8
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; CHECK-NEXT: xorl %edi, %edi
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %esi
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; CHECK-NEXT: .p2align 4, 0x90
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; CHECK-NEXT: .LBB0_1: # %bb
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; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: movzbl (%esi,%edi), %eax
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; CHECK-NEXT: incl %edi
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; CHECK-NEXT: cmpb $120, %al
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; CHECK-NEXT: je .LBB0_3
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; CHECK-NEXT: # %bb.2: # %bb
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; CHECK-NEXT: # in Loop: Header=BB0_1 Depth=1
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; CHECK-NEXT: testb %al, %al
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; CHECK-NEXT: jne .LBB0_1
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; CHECK-NEXT: .LBB0_3: # %bb7
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; CHECK-NEXT: movzbl %al, %eax
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; CHECK-NEXT: pushl %eax
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; CHECK-NEXT: .cfi_adjust_cfa_offset 4
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; CHECK-NEXT: calll foo
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; CHECK-NEXT: addl $4, %esp
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; CHECK-NEXT: .cfi_adjust_cfa_offset -4
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; CHECK-NEXT: addl %edi, %esi
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; CHECK-NEXT: movl %esi, %eax
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; CHECK-NEXT: popl %esi
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; CHECK-NEXT: .cfi_def_cfa_offset 8
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; CHECK-NEXT: popl %edi
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; CHECK-NEXT: .cfi_def_cfa_offset 4
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; CHECK-NEXT: retl
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entry:
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br label %bb
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bb: ; preds = %bb, %entry
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%indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=3]
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%CurPtr_addr.0.rec = bitcast i32 %indvar to i32 ; <i32> [#uses=1]
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%gep.upgrd.1 = zext i32 %indvar to i64 ; <i64> [#uses=1]
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%CurPtr_addr.0 = getelementptr i8, i8* %CurPtr, i64 %gep.upgrd.1 ; <i8*> [#uses=1]
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%tmp = load i8, i8* %CurPtr_addr.0 ; <i8> [#uses=3]
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%tmp2.rec = add i32 %CurPtr_addr.0.rec, 1 ; <i32> [#uses=1]
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%tmp2 = getelementptr i8, i8* %CurPtr, i32 %tmp2.rec ; <i8*> [#uses=1]
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%indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1]
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switch i8 %tmp, label %bb [
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i8 0, label %bb7
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i8 120, label %bb7
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]
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bb7: ; preds = %bb, %bb
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tail call void @foo( i8 %tmp )
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ret i8* %tmp2
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}
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declare void @foo(i8)
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