47 lines
1.0 KiB
LLVM
47 lines
1.0 KiB
LLVM
; RUN: opt < %s -ipsccp -S | FileCheck %s
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; CHECK-LABEL: @testf(
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; CHECK: ret i32 undef
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;
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define internal i32 @testf(i1 %c) {
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entry:
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br i1 %c, label %if.cond, label %if.end
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if.cond:
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br i1 undef, label %if.then, label %if.end
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if.then: ; preds = %entry, %if.then
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ret i32 11
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if.end: ; preds = %if.then1, %entry
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ret i32 10
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}
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; CHECK-LABEL: @test1(
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; CHECK: ret i32 undef
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;
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define internal i32 @test1(i1 %c) {
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entry:
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br label %if.then
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if.then: ; preds = %entry, %if.then
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%call = call i32 @testf(i1 %c)
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%res = icmp eq i32 %call, 10
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br i1 %res, label %ret1, label %ret2
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ret1: ; preds = %if.then, %entry
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ret i32 99
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ret2: ; preds = %if.then, %entry
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ret i32 0
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}
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; CHECK-LABEL: @main(
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; CHECK-NEXT: %res = call i32 @test1(
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; CHECK-NEXT: ret i32 99
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;
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define i32 @main(i1 %c) {
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%res = call i32 @test1(i1 %c)
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ret i32 %res
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}
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