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b7e11e400d
As Bill Schmidt pointed out to me, only on Darwin do we need to spill/restore VRSAVE in the SjLj code. For non-Darwin, don't spill/restore VRSAVE (and I've added some asserts to make sure that we're not). As it turns out, we're not currently handling the Darwin case correctly (I've added a FIXME in the test case). I've tried adding various implied register definitions/uses to force the spill without success, so I'll need to address this later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178096 91177308-0d34-0410-b5e6-96231b3b80d8
20 lines
626 B
LLVM
20 lines
626 B
LLVM
; RUN: llc < %s -mtriple=powerpc64-apple-darwin -mcpu=g5 | FileCheck %s
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target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
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target triple = "powerpc64-apple-darwin"
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define <4 x float> @foo(<4 x float> %a, <4 x float> %b) nounwind {
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entry:
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%c = fadd <4 x float> %a, %b
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%d = fmul <4 x float> %c, %a
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call void asm sideeffect "", "~{VRsave}"() nounwind
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br label %return
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; CHECK: @foo
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; CHECK: mfspr r{{[0-9]+}}, 256
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; CHECK: mtspr 256, r{{[0-9]+}}
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return: ; preds = %entry
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ret <4 x float> %d
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}
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