93 lines
2.7 KiB
LLVM
93 lines
2.7 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -callsite-splitting -simplifycfg -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck %s
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define i16 @test1() {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[SPEC_SELECT:%.*]] = select i1 undef, i16 1, i16 0
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; CHECK-NEXT: [[TOBOOL18:%.*]] = icmp ne i16 [[SPEC_SELECT]], 0
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; CHECK-NEXT: [[TMP0:%.*]] = xor i1 [[TOBOOL18]], true
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; CHECK-NEXT: call void @llvm.assume(i1 [[TMP0]])
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; CHECK-NEXT: br label [[FOR_COND12:%.*]]
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; CHECK: for.cond12:
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; CHECK-NEXT: call void @callee(i16 [[SPEC_SELECT]])
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; CHECK-NEXT: br label [[FOR_COND12]]
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;
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entry:
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%spec.select = select i1 undef, i16 1, i16 0
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%tobool18 = icmp ne i16 %spec.select, 0
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br i1 %tobool18, label %for.cond12.us, label %for.cond12
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for.cond12.us:
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unreachable
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for.cond12:
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call void @callee(i16 %spec.select)
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br label %for.cond12
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}
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define i16 @test2() {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[S:%.*]] = select i1 undef, i16 1, i16 0
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; CHECK-NEXT: [[TOBOOL18:%.*]] = icmp ne i16 [[S]], 0
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; CHECK-NEXT: [[TMP0:%.*]] = xor i1 [[TOBOOL18]], true
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; CHECK-NEXT: call void @llvm.assume(i1 [[TMP0]])
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; CHECK-NEXT: br label [[FOR_COND12:%.*]]
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; CHECK: for.cond12:
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; CHECK-NEXT: call void @callee(i16 [[S]])
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; CHECK-NEXT: [[ADD:%.*]] = add i16 [[S]], 10
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; CHECK-NEXT: [[ADD2:%.*]] = add i16 [[S]], 10
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; CHECK-NEXT: br label [[FOR_COND12]]
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;
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entry:
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%s= select i1 undef, i16 1, i16 0
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%tobool18 = icmp ne i16 %s, 0
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br i1 %tobool18, label %for.cond12.us, label %for.cond12
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for.cond12.us:
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unreachable
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for.cond12:
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call void @callee(i16 %s)
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%add = add i16 %s, 10
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%add2 = add i16 %s, 10
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br label %for.cond12
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}
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define i16 @test3() {
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[S:%.*]] = select i1 undef, i16 1, i16 0
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; CHECK-NEXT: [[TOBOOL18:%.*]] = icmp ne i16 [[S]], 0
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; CHECK-NEXT: [[TMP0:%.*]] = xor i1 [[TOBOOL18]], true
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; CHECK-NEXT: call void @llvm.assume(i1 [[TMP0]])
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; CHECK-NEXT: br label [[FOR_COND12:%.*]]
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; CHECK: for.cond12:
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; CHECK-NEXT: call void @callee(i16 [[S]])
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; CHECK-NEXT: [[ADD:%.*]] = add i16 [[S]], 10
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; CHECK-NEXT: [[ADD2:%.*]] = add i16 [[ADD]], 10
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; CHECK-NEXT: br i1 undef, label [[FOR_COND12]], label [[EXIT:%.*]]
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; CHECK: exit:
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; CHECK-NEXT: ret i16 [[ADD2]]
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;
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entry:
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%s= select i1 undef, i16 1, i16 0
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%tobool18 = icmp ne i16 %s, 0
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br i1 %tobool18, label %for.cond12.us, label %for.cond12
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for.cond12.us:
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unreachable
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for.cond12:
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call void @callee(i16 %s)
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%add = add i16 %s, 10
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%add2 = add i16 %add, 10
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br i1 undef, label %for.cond12, label %exit
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exit:
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ret i16 %add2
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}
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declare void @callee(i16 %flag)
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