32 lines
1.2 KiB
LLVM
32 lines
1.2 KiB
LLVM
; RUN: llc < %s -mtriple=arm64-linux-gnu -mcpu=cortex-a53 -enable-aa-sched-mi | FileCheck %s
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; Check that the scheduler moves the load from a[1] past the store into a[2].
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@a = common global i32* null, align 8
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@m = common global i32 0, align 4
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; Function Attrs: nounwind
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define i32 @func(i32 %i, i32 %j, i32 %k) #0 {
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entry:
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; CHECK: ldr {{w[0-9]+}}, [x[[REG:[0-9]+]], #4]
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; CHECK: str {{w[0-9]+}}, [x[[REG]], #8]
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%0 = load i32*, i32** @a, align 8, !tbaa !1
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%arrayidx = getelementptr inbounds i32, i32* %0, i64 2
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store i32 %i, i32* %arrayidx, align 4, !tbaa !5
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%arrayidx1 = getelementptr inbounds i32, i32* %0, i64 1
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%1 = load i32, i32* %arrayidx1, align 4, !tbaa !5
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%add = add nsw i32 %k, %i
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store i32 %add, i32* @m, align 4, !tbaa !5
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ret i32 %1
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}
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attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="true" "use-soft-float"="false" }
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!llvm.ident = !{!0}
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!0 = !{!"clang version 3.6.0 "}
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!1 = !{!2, !2, i64 0}
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!2 = !{!"any pointer", !3, i64 0}
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!3 = !{!"omnipotent char", !4, i64 0}
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!4 = !{!"Simple C/C++ TBAA"}
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!5 = !{!6, !6, i64 0}
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!6 = !{!"int", !3, i64 0}
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