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[SparcV9] For codegen generated library calls that return float, set inreg flag manually in LowerCall().

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This makes the sparc backend to generate Sparc64 ABI compliant code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198149 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Venkatraman Govindaraju
2013-12-29 04:27:21 +00:00
parent 006e786b35
commit 0c67825459
2 changed files with 27 additions and 0 deletions
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21
test/CodeGen/SPARC/64abi.ll
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@@ -440,4 +440,25 @@ entry:
ret i64 %0
}
; CHECK-LABEL: test_call_libfunc
; CHECK: st %f1, [%fp+[[Offset0:[0-9]+]]]
; CHECK: fmovs %f3, %f1
; CHECK: call cosf
; CHECK: st %f0, [%fp+[[Offset1:[0-9]+]]]
; CHECK: ld [%fp+[[Offset0]]], %f1
; CHECK: call sinf
; CHECK: ld [%fp+[[Offset1]]], %f1
; CHECK: fmuls %f1, %f0, %f0
define inreg float @test_call_libfunc(float %arg0, float %arg1) {
entry:
%0 = tail call inreg float @cosf(float %arg1)
%1 = tail call inreg float @sinf(float %arg0)
%2 = fmul float %0, %1
ret float %2
}
declare inreg float @cosf(float %arg) readnone nounwind
declare inreg float @sinf(float %arg) readnone nounwind