If a MI uses the same register more than once, only mark one of them as 'kill'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66363 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/2009-03-07-SpillerBug.ll b/test/CodeGen/ARM/2009-03-07-SpillerBug.ll
new file mode 100644
index 0000000..7556616
--- /dev/null
+++ b/test/CodeGen/ARM/2009-03-07-SpillerBug.ll
@@ -0,0 +1,78 @@
+; RUN: llvm-as < %s | llc -mtriple=armv6-apple-darwin9 -mattr=+vfp2
+; rdar://6653182
+
+ %struct.ggBRDF = type { i32 (...)** }
+ %struct.ggPoint2 = type { [2 x double] }
+ %struct.ggPoint3 = type { [3 x double] }
+ %struct.ggSpectrum = type { [8 x float] }
+ %struct.ggSphere = type { %struct.ggPoint3, double }
+ %struct.mrDiffuseAreaSphereLuminaire = type { %struct.mrSphere, %struct.ggSpectrum }
+ %struct.mrDiffuseCosineSphereLuminaire = type { %struct.mrDiffuseAreaSphereLuminaire }
+ %struct.mrSphere = type { %struct.ggBRDF, %struct.ggSphere }
+
+declare void @llvm.memcpy.i32(i8* nocapture, i8* nocapture, i32, i32) nounwind
+
+declare double @llvm.sqrt.f64(double) nounwind readonly
+
+declare double @sin(double) nounwind readonly
+
+declare double @acos(double) nounwind readonly
+
+define i32 @_ZNK34mrDiffuseSolidAngleSphereLuminaire18selectVisiblePointERK8ggPoint3RK9ggVector3RK8ggPoint2dRS0_Rd(%struct.mrDiffuseCosineSphereLuminaire* nocapture %this, %struct.ggPoint3* nocapture %x, %struct.ggPoint3* nocapture %unnamed_arg, %struct.ggPoint2* nocapture %uv, double %unnamed_arg2, %struct.ggPoint3* nocapture %on_light, double* nocapture %invProb) nounwind {
+entry:
+ %0 = call double @llvm.sqrt.f64(double 0.000000e+00) nounwind ; <double> [#uses=4]
+ %1 = fcmp ult double 0.000000e+00, %0 ; <i1> [#uses=1]
+ br i1 %1, label %bb3, label %bb7
+
+bb3: ; preds = %entry
+ %2 = fdiv double 1.000000e+00, 0.000000e+00 ; <double> [#uses=1]
+ %3 = mul double 0.000000e+00, %2 ; <double> [#uses=2]
+ %4 = call double @llvm.sqrt.f64(double 0.000000e+00) nounwind ; <double> [#uses=1]
+ %5 = fdiv double 1.000000e+00, %4 ; <double> [#uses=2]
+ %6 = mul double %3, %5 ; <double> [#uses=2]
+ %7 = mul double 0.000000e+00, %5 ; <double> [#uses=2]
+ %8 = mul double %3, %7 ; <double> [#uses=1]
+ %9 = sub double %8, 0.000000e+00 ; <double> [#uses=1]
+ %10 = mul double 0.000000e+00, %6 ; <double> [#uses=1]
+ %11 = sub double 0.000000e+00, %10 ; <double> [#uses=1]
+ %12 = sub double -0.000000e+00, %11 ; <double> [#uses=1]
+ %13 = mul double %0, %0 ; <double> [#uses=2]
+ %14 = sub double %13, 0.000000e+00 ; <double> [#uses=1]
+ %15 = call double @llvm.sqrt.f64(double %14) ; <double> [#uses=1]
+ %16 = mul double 0.000000e+00, %15 ; <double> [#uses=1]
+ %17 = fdiv double %16, %0 ; <double> [#uses=1]
+ %18 = add double 0.000000e+00, %17 ; <double> [#uses=1]
+ %19 = call double @acos(double %18) nounwind readonly ; <double> [#uses=1]
+ %20 = load double* null, align 4 ; <double> [#uses=1]
+ %21 = mul double %20, 0x401921FB54442D18 ; <double> [#uses=1]
+ %22 = call double @sin(double %19) nounwind readonly ; <double> [#uses=2]
+ %23 = mul double %22, 0.000000e+00 ; <double> [#uses=2]
+ %24 = mul double %6, %23 ; <double> [#uses=1]
+ %25 = mul double %7, %23 ; <double> [#uses=1]
+ %26 = call double @sin(double %21) nounwind readonly ; <double> [#uses=1]
+ %27 = mul double %22, %26 ; <double> [#uses=2]
+ %28 = mul double %9, %27 ; <double> [#uses=1]
+ %29 = mul double %27, %12 ; <double> [#uses=1]
+ %30 = add double %24, %28 ; <double> [#uses=1]
+ %31 = add double 0.000000e+00, %29 ; <double> [#uses=1]
+ %32 = add double %25, 0.000000e+00 ; <double> [#uses=1]
+ %33 = add double %30, 0.000000e+00 ; <double> [#uses=1]
+ %34 = add double %31, 0.000000e+00 ; <double> [#uses=1]
+ %35 = add double %32, 0.000000e+00 ; <double> [#uses=1]
+ %36 = bitcast %struct.ggPoint3* %x to i8* ; <i8*> [#uses=1]
+ call void @llvm.memcpy.i32(i8* null, i8* %36, i32 24, i32 4) nounwind
+ store double %33, double* null, align 8
+ br i1 false, label %_Z20ggRaySphereIntersectRK6ggRay3RK8ggSphereddRd.exit, label %bb5.i.i.i
+
+bb5.i.i.i: ; preds = %bb3
+ unreachable
+
+_Z20ggRaySphereIntersectRK6ggRay3RK8ggSphereddRd.exit: ; preds = %bb3
+ %37 = sub double %13, 0.000000e+00 ; <double> [#uses=0]
+ %38 = sub double -0.000000e+00, %34 ; <double> [#uses=0]
+ %39 = sub double -0.000000e+00, %35 ; <double> [#uses=0]
+ ret i32 1
+
+bb7: ; preds = %entry
+ ret i32 0
+}