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24 lines
632 B
LLVM
24 lines
632 B
LLVM
; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -O3 | FileCheck %s
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; rdar://7493908
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; Make sure the result of the first dynamic_alloc isn't copied back to sp more
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; than once. We'll deal with poor codegen later.
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define arm_apcscc void @t() nounwind ssp {
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entry:
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; CHECK: t:
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; CHECK: mov r0, sp
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; CHECK: bfc r0, #0, #3
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; CHECK: subs r0, #16
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; CHECK: mov sp, r0
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; Yes, this is stupid codegen, but it's correct.
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; CHECK: mov r0, sp
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; CHECK: bfc r0, #0, #3
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; CHECK: subs r0, #16
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; CHECK: mov sp, r0
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%size = mul i32 8, 2
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%vla_a = alloca i8, i32 %size, align 8
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%vla_b = alloca i8, i32 %size, align 8
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unreachable
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}
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