forked from OSchip/llvm-project
55 lines
1.7 KiB
LLVM
55 lines
1.7 KiB
LLVM
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; RUN: opt < %s -gvn-hoist -S | FileCheck %s
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; This test is meant to make sure that MemorySSAUpdater works correctly
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; in non-trivial cases.
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; CHECK: if.else218:
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; CHECK-NEXT: %0 = getelementptr inbounds %s, %s* undef, i32 0, i32 0
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; CHECK-NEXT: %1 = load i32, i32* %0, align 4
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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%s = type { i32, %s**, [3 x i8], i8 }
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define void @test() {
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entry:
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br label %cond.end118
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cond.end118: ; preds = %entry
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br i1 undef, label %cleanup, label %if.end155
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if.end155: ; preds = %cond.end118
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br label %while.cond
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while.cond: ; preds = %while.body, %if.end155
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br i1 undef, label %while.end, label %while.body
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while.body: ; preds = %while.cond
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br label %while.cond
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while.end: ; preds = %while.cond
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switch i32 undef, label %if.else218 [
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i32 1, label %cleanup
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i32 0, label %if.then174
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]
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if.then174: ; preds = %while.end
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unreachable
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if.else218: ; preds = %while.end
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br i1 undef, label %if.then226, label %if.else326
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if.then226: ; preds = %if.else218
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%size227 = getelementptr inbounds %s, %s* undef, i32 0, i32 0
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%0 = load i32, i32* %size227, align 4
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unreachable
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if.else326: ; preds = %if.else218
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%size330 = getelementptr inbounds %s, %s* undef, i32 0, i32 0
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%1 = load i32, i32* %size330, align 4
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unreachable
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cleanup: ; preds = %while.end, %cond.end118
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ret void
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}
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