forked from OSchip/llvm-project
55 lines
2.0 KiB
LLVM
55 lines
2.0 KiB
LLVM
; RUN: opt < %s -basic-aa -gvn -S | FileCheck %s
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@g = global i32 0
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; CHECK: @test
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; CHECK: entry
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; CHECK: %tmp0 = call i32 @TestConst(i32 5) [[READNONE:#[0-9]+]]
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; CHECK-NEXT: %tmp1 = call i32 @TestPure(i32 6) [[READONLY:#[0-9]+]]
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; CHECK-NEXT: %tmp2 = call i32 @TestNone(i32 7)
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; CHECK-NEXT: store i32 1, i32* @g
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; CHECK-NEXT: %tmp5 = call i32 @TestPure(i32 6) [[READONLY]]
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; CHECK-NEXT: %tmp7 = call i32 @TestNone(i32 7)
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; CHECK-NEXT: %tmp8 = call i32 @TestNone(i32 7)
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; CHECK-NEXT: %sum0 = add i32 %tmp0, %tmp1
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; CHECK-NEXT: %sum1 = add i32 %sum0, %tmp2
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; CHECK-NEXT: %sum2 = add i32 %sum1, %tmp0
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; CHECK-NEXT: %sum3 = add i32 %sum2, %tmp0
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; CHECK-NEXT: %sum4 = add i32 %sum3, %tmp5
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; CHECK-NEXT: %sum5 = add i32 %sum4, %tmp5
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; CHECK-NEXT: %sum6 = add i32 %sum5, %tmp7
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; CHECK-NEXT: %sum7 = add i32 %sum6, %tmp8
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; CHECK-NEXT: ret i32 %sum7
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define i32 @test() {
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entry:
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%tmp0 = call i32 @TestConst( i32 5 ) readnone ; <i32> [#uses=1]
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%tmp1 = call i32 @TestPure( i32 6 ) readonly ; <i32> [#uses=1]
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%tmp2 = call i32 @TestNone( i32 7 ) ; <i32> [#uses=1]
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store i32 1, i32* @g
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%tmp3 = call i32 @TestConst( i32 5 ) readnone ; <i32> [#uses=1]
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%tmp4 = call i32 @TestConst( i32 5 ) readnone ; <i32> [#uses=1]
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%tmp5 = call i32 @TestPure( i32 6 ) readonly ; <i32> [#uses=1]
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%tmp6 = call i32 @TestPure( i32 6 ) readonly ; <i32> [#uses=1]
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%tmp7 = call i32 @TestNone( i32 7 ) ; <i32> [#uses=1]
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%tmp8 = call i32 @TestNone( i32 7 ) ; <i32> [#uses=1]
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%sum0 = add i32 %tmp0, %tmp1 ; <i32> [#uses=1]
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%sum1 = add i32 %sum0, %tmp2 ; <i32> [#uses=1]
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%sum2 = add i32 %sum1, %tmp3 ; <i32> [#uses=1]
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%sum3 = add i32 %sum2, %tmp4 ; <i32> [#uses=1]
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%sum4 = add i32 %sum3, %tmp5 ; <i32> [#uses=1]
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%sum5 = add i32 %sum4, %tmp6 ; <i32> [#uses=1]
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%sum6 = add i32 %sum5, %tmp7 ; <i32> [#uses=1]
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%sum7 = add i32 %sum6, %tmp8 ; <i32> [#uses=1]
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ret i32 %sum7
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}
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declare i32 @TestConst(i32) readnone
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declare i32 @TestPure(i32) readonly
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declare i32 @TestNone(i32)
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; CHECK: attributes [[READNONE]] = { readnone }
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; CHECK: attributes [[READONLY]] = { readonly }
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