27 lines
1.0 KiB
LLVM
27 lines
1.0 KiB
LLVM
; RUN: llc -march=sparc < %s | FileCheck %s --check-prefixes=CHECK,CHECK32
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; RUN: llc -march=sparcv9 < %s | FileCheck %s --check-prefixes=CHECK,CHECK64
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declare void @stack_realign_helper(i32 %a, i32* %b)
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;; This is a function where we have a local variable of 64-byte
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;; alignment. We want to see that the stack is aligned (the initial
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;; andn), that the local var is accessed via stack pointer (to %o1), and that
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;; the argument is accessed via frame pointer not stack pointer (to %o0).
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;; CHECK-LABEL: stack_realign:
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;; CHECK32: andn %sp, 63, %sp
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;; CHECK32-NEXT: ld [%fp+92], %o0
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;; CHECK64: add %sp, 2047, %g1
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;; CHECK64-NEXT: andn %g1, 63, %g1
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;; CHECK64-NEXT: add %g1, -2047, %sp
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;; CHECK64-NEXT: ld [%fp+2227], %o0
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;; CHECK-NEXT: call stack_realign_helper
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;; CHECK32-NEXT: add %sp, 128, %o1
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;; CHECK64-NEXT: add %sp, 2239, %o1
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define void @stack_realign(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g) {
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entry:
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%aligned = alloca i32, align 64
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call void @stack_realign_helper(i32 %g, i32* %aligned)
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ret void
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}
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