20 lines
403 B
LLVM
20 lines
403 B
LLVM
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; RUN: opt < %s -passes=gvn -S | FileCheck %s
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%t = type { i32 }
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declare void @test1f(ptr)
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define void @test1(ptr noalias %stuff ) {
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%before = load i32, ptr %stuff
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call void @test1f(ptr null)
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%after = load i32, ptr %stuff ; <--- This should be a dead load
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%sum = add i32 %before, %after
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store i32 %sum, ptr %stuff
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ret void
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; CHECK: load
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; CHECK-NOT: load
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; CHECK: ret void
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}
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