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23 lines
773 B
LLVM
23 lines
773 B
LLVM
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; RUN: llc < %s -mcpu=cortex-a8 | FileCheck %s
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target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
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target triple = "thumbv7-apple-ios"
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; CHECK: f
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; This function is forced to spill a double.
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; Verify that the spill slot is properly aligned.
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;
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; The caller-saved r4 is used as a scratch register for stack realignment.
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; CHECK: push {r4, r7, lr}
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; CHECK: bic r4, r4, #7
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; CHECK: mov sp, r4
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define void @f(double* nocapture %p) nounwind ssp {
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entry:
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%0 = load double* %p, align 4
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tail call void asm sideeffect "", "~{d8},~{d9},~{d10},~{d11},~{d12},~{d13},~{d14},~{d15}"() nounwind
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tail call void @g() nounwind
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store double %0, double* %p, align 4
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ret void
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}
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declare void @g()
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