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7ab5799f75
I originally made this script to show that scalarrepl didn't support them, but it turned out it does. Better to still add the testcase then. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56781 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
965 B
LLVM
31 lines
965 B
LLVM
; This testcase shows that scalarrepl is able to replace struct alloca's which
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; are directly loaded from or stored to (using the first class aggregates
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; feature).
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; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis > %t
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; RUN: cat %t | not grep alloca
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%struct.foo = type { i32, i32 }
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define i32 @test(%struct.foo* %P) {
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entry:
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%L = alloca %struct.foo, align 8 ; <%struct.foo*> [#uses=2]
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%V = load %struct.foo* %P
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store %struct.foo %V, %struct.foo* %L
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%tmp4 = getelementptr %struct.foo* %L, i32 0, i32 0 ; <i32*> [#uses=1]
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%tmp5 = load i32* %tmp4 ; <i32> [#uses=1]
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ret i32 %tmp5
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}
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define %struct.foo @test2(i32 %A, i32 %B) {
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entry:
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%L = alloca %struct.foo, align 8 ; <%struct.foo*> [#uses=2]
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%L.0 = getelementptr %struct.foo* %L, i32 0, i32 0
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store i32 %A, i32* %L.0
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%L.1 = getelementptr %struct.foo* %L, i32 0, i32 1
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store i32 %B, i32* %L.1
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%V = load %struct.foo* %L
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ret %struct.foo %V
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}
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