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72 lines
1.9 KiB
LLVM
72 lines
1.9 KiB
LLVM
; RUN: llc -march=mips < %s | FileCheck %s
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; RUN: llc -march=mips64el -mcpu=mips64r2 -mattr=n64 < %s | FileCheck %s
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%struct.DWstruct = type { i32, i32 }
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define i32 @A0(i32 %u, i32 %v) nounwind {
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entry:
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; CHECK: multu
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; CHECK: mflo
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; CHECK: mfhi
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%asmtmp = tail call %struct.DWstruct asm "multu $2,$3", "={lo},={hi},d,d"( i32 %u, i32 %v ) nounwind
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%asmresult = extractvalue %struct.DWstruct %asmtmp, 0
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%asmresult1 = extractvalue %struct.DWstruct %asmtmp, 1 ; <i32> [#uses=1]
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%res = add i32 %asmresult, %asmresult1
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ret i32 %res
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}
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@gi2 = external global i32
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@gi1 = external global i32
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@gi0 = external global i32
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@gf0 = external global float
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@gf1 = external global float
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@gd0 = external global double
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@gd1 = external global double
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define void @foo0() nounwind {
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entry:
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; CHECK: addu
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%0 = load i32* @gi1, align 4
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%1 = load i32* @gi0, align 4
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%2 = tail call i32 asm "addu $0, $1, $2", "=r,r,r"(i32 %0, i32 %1) nounwind
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store i32 %2, i32* @gi2, align 4
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ret void
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}
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define void @foo2() nounwind {
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entry:
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; CHECK: neg.s
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%0 = load float* @gf1, align 4
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%1 = tail call float asm "neg.s $0, $1", "=f,f"(float %0) nounwind
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store float %1, float* @gf0, align 4
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ret void
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}
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define void @foo3() nounwind {
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entry:
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; CHECK: neg.d
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%0 = load double* @gd1, align 8
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%1 = tail call double asm "neg.d $0, $1", "=f,f"(double %0) nounwind
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store double %1, double* @gd0, align 8
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ret void
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}
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; Check that RA doesn't allocate registers in the clobber list.
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; CHECK-LABEL: foo4:
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; CHECK: #APP
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; CHECK-NOT: ulh $2
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; CHECK: #NO_APP
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; CHECK: #APP
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; CHECK-NOT: $f0
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; CHECK: #NO_APP
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define void @foo4() {
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entry:
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%0 = tail call i32 asm sideeffect "ulh $0,16($$sp)\0A\09", "=r,~{$2}"()
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store i32 %0, i32* @gi2, align 4
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%1 = load float* @gf0, align 4
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%2 = tail call double asm sideeffect "cvt.d.s $0, $1\0A\09", "=f,f,~{$f0}"(float %1)
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store double %2, double* @gd0, align 8
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ret void
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}
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