1 files changed, 32 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/buildpairf64-extractelementf64-implicit-sp.ll b/test/CodeGen/Mips/buildpairf64-extractelementf64-implicit-sp.ll
new file mode 100644
index 00000000000..7847fc89371
--- /dev/null
+++ b/test/CodeGen/Mips/buildpairf64-extractelementf64-implicit-sp.ll
@@ -0,0 +1,32 @@
+; RUN: llc -o - %s -mtriple=mips-unknown-linux-gnu \
+; RUN:     -mcpu=mips32 -mattr=+fpxx \
+; RUN:     -stop-after=expand-isel-pseudos | \
+; RUN:     FileCheck %s -check-prefix=FPXX-IMPLICIT-SP
+
+; RUN: llc -o - %s -mtriple=mips-unknown-linux-gnu \
+; RUN:     -mcpu=mips32r6 -mattr=+fp64,+nooddspreg \
+; RUN:     -stop-after=expand-isel-pseudos | \
+; RUN:     FileCheck %s -check-prefix=FP64-IMPLICIT-SP
+
+; RUN: llc -o - %s -mtriple=mips-unknown-linux-gnu \
+; RUN:     -mcpu=mips32r2 -mattr=+fpxx \
+; RUN:     -stop-after=expand-isel-pseudos | \
+; RUN:     FileCheck %s -check-prefix=NO-IMPLICIT-SP
+
+define double @foo2(i32 signext %v1, double %d1) {
+entry:
+; FPXX-IMPLICIT-SP: BuildPairF64 %{{[0-9]+}}, %{{[0-9]+}}, implicit $sp
+; FPXX-IMPLICIT-SP: ExtractElementF64 killed %{{[0-9]+}}, 1, implicit $sp
+; FP64-IMPLICIT-SP: BuildPairF64_64 %{{[0-9]+}}, %{{[0-9]+}}, implicit $sp
+; FP64-IMPLICIT-SP: ExtractElementF64_64 killed %{{[0-9]+}}, 1, implicit $sp
+; NO-IMPLICIT-SP: BuildPairF64 %{{[0-9]+}}, %{{[0-9]+}}
+; NO-IMPLICIT-SP-NOT: BuildPairF64 %{{[0-9]+}}, %{{[0-9]+}}, implicit $sp
+; NO-IMPLICIT-SP: ExtractElementF64 killed %{{[0-9]+}}, 1
+; NO-IMPLICIT-SP-NOT: ExtractElementF64 killed %{{[0-9]+}}, 1, implicit $sp
+  %conv = fptrunc double %d1 to float
+  %0 = tail call float @llvm.copysign.f32(float 1.000000e+00, float %conv)
+  %conv1 = fpext float %0 to double
+  ret double %conv1
+}
+
+declare float @llvm.copysign.f32(float, float)