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abfb9e7ee2
Summary: Switch to FileCheck where possible. Adjust tests so they can be easily regenerated by update scripts. Reviewers: craig.topper, spatel, RKSimon Reviewed By: spatel Subscribers: MatzeB, qcolombet, arphaman, jfb, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D71211
108 lines
2.8 KiB
LLVM
108 lines
2.8 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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; This tests some cases where BT must not be generated. See also bt.ll.
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; Fixes 20040709-[12].c in gcc testsuite.
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define void @test2(i32 %x, i32 %n) nounwind {
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; CHECK-LABEL: test2:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: testb %al, %al
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; CHECK-NEXT: jne .LBB0_2
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; CHECK-NEXT: # %bb.1: # %bb
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; CHECK-NEXT: calll foo
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; CHECK-NEXT: .LBB0_2: # %UnifiedReturnBlock
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; CHECK-NEXT: retl
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entry:
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%tmp1 = and i32 %x, 1
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%tmp2 = urem i32 %tmp1, 15
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%tmp3 = and i32 %tmp2, 1 ; <i32> [#uses=1]
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%tmp4 = icmp eq i32 %tmp3, %tmp2 ; <i1> [#uses=1]
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb: ; preds = %entry
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call void @foo()
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ret void
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UnifiedReturnBlock: ; preds = %entry
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ret void
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}
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define void @test3(i32 %x, i32 %n) nounwind {
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; CHECK-LABEL: test3:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: testb %al, %al
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; CHECK-NEXT: jne .LBB1_2
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; CHECK-NEXT: # %bb.1: # %bb
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; CHECK-NEXT: calll foo
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; CHECK-NEXT: .LBB1_2: # %UnifiedReturnBlock
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; CHECK-NEXT: retl
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entry:
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%tmp1 = and i32 %x, 1
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%tmp2 = urem i32 %tmp1, 15
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%tmp3 = and i32 %tmp2, 1 ; <i32> [#uses=1]
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%tmp4 = icmp eq i32 %tmp2, %tmp3 ; <i1> [#uses=1]
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb: ; preds = %entry
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call void @foo()
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ret void
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UnifiedReturnBlock: ; preds = %entry
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ret void
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}
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define void @test4(i32 %x, i32 %n) nounwind {
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; CHECK-LABEL: test4:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movb $1, %al
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; CHECK-NEXT: testb %al, %al
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; CHECK-NEXT: jne .LBB2_2
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; CHECK-NEXT: # %bb.1: # %bb
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; CHECK-NEXT: calll foo
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; CHECK-NEXT: .LBB2_2: # %UnifiedReturnBlock
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; CHECK-NEXT: retl
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entry:
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%tmp1 = and i32 %x, 1
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%tmp2 = urem i32 %tmp1, 15
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%tmp3 = and i32 %tmp2, 1 ; <i32> [#uses=1]
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%tmp4 = icmp ne i32 %tmp2, %tmp3 ; <i1> [#uses=1]
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb: ; preds = %entry
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call void @foo()
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ret void
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UnifiedReturnBlock: ; preds = %entry
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ret void
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}
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define void @test5(i32 %x, i32 %n) nounwind {
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; CHECK-LABEL: test5:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movb $1, %al
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; CHECK-NEXT: testb %al, %al
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; CHECK-NEXT: jne .LBB3_2
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; CHECK-NEXT: # %bb.1: # %bb
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; CHECK-NEXT: calll foo
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; CHECK-NEXT: .LBB3_2: # %UnifiedReturnBlock
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; CHECK-NEXT: retl
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entry:
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%tmp1 = and i32 %x, 1
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%tmp2 = urem i32 %tmp1, 15
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%tmp3 = and i32 %tmp2, 1 ; <i32> [#uses=1]
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%tmp4 = icmp ne i32 %tmp2, %tmp3 ; <i1> [#uses=1]
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br i1 %tmp4, label %bb, label %UnifiedReturnBlock
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bb: ; preds = %entry
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call void @foo()
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ret void
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UnifiedReturnBlock: ; preds = %entry
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ret void
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}
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declare void @foo()
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