44bd807512
Make the stack alignment register (AP) reserved in the given function. This will make it available everywhere in the function, and allow aligned access to vector register spill slots.
24 lines
536 B
LLVM
24 lines
536 B
LLVM
; RUN: llc -O0 -march=hexagon < %s | FileCheck %s
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; CHECK: r[[AP:[0-9]+]] = and(r30,#-32)
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; CHECK: sub(r29,r[[SP:[0-9]+]])
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; CHECK: r29 = r[[SP]]
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; CHECK: r1 = r[[AP]]
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; CHECK: r1 = add(r1,#-32)
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target triple = "hexagon-unknown-unknown"
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; Function Attrs: nounwind uwtable
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define void @foo(i32 %n) #0 {
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entry:
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%x = alloca i32, i32 %n
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%y = alloca i32, align 32
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%0 = bitcast i32* %x to i8*
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%1 = bitcast i32* %y to i8*
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call void @bar(i8* %0, i8* %1)
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ret void
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}
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declare void @bar(i8*, i8* %y) #0
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attributes #0 = { nounwind }
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