2 files changed, 182 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 $sp
+  %conv = fptrunc double %d1 to float
+  %0 = tail call float @llvm.copysign.f32(float 1.000000e+00, float %conv)
+  %conv1 = fpext float %0 to double
+  ret double %conv1
+}
+
+declare float @llvm.copysign.f32(float, float)
diff --git a/test/CodeGen/Mips/shrink-wrap-buildpairf64-extractelementf64.mir b/test/CodeGen/Mips/shrink-wrap-buildpairf64-extractelementf64.mir
new file mode 100644
index 00000000000..cb364de0e9b
--- /dev/null
+++ b/test/CodeGen/Mips/shrink-wrap-buildpairf64-extractelementf64.mir
@@ -0,0 +1,150 @@
+# RUN: llc -o - %s -mtriple=mips-unknown-linux-gnu -enable-shrink-wrap=true \
+# RUN:     -start-before=shrink-wrap -stop-after=prologepilog | FileCheck %s
+
+--- |
+  declare void @foo()
+  define void @testBuildPairF64() {
+    ret void
+  }
+  define void @testBuildPairF64_64() {
+    ret void
+  }
+  define void @testBuildPairF64implicitSp() {
+    ret void
+  }
+  define void @testBuildPairF64_64implicitSp() {
+    ret void
+  }
+  define void @testExtractElementF64() {
+    ret void
+  }
+  define void @testExtractElementF64_64() {
+    ret void
+  }
+  define void @testExtractElementF64implicitSp() {
+    ret void
+  }
+  define void @testExtractElementF64_64implicitSp() {
+    ret void
+  }
+...
+---
+name: testBuildPairF64
+# CHECK-LABEL: name: testBuildPairF64
+# CHECK: bb.0
+# CHECK-NEXT: successors
+# CHECK-NEXT: {{[[:space:]]$}}
+# CHECK-NEXT: BuildPairF64
+body: |
+  bb.0:
+    $d0 = BuildPairF64 $zero, $zero
+  bb.1:
+    JAL @foo, implicit-def $ra
+  bb.2:
+    RetRA
+...
+---
+name: testBuildPairF64_64
+# CHECK-LABEL: name: testBuildPairF64_64
+# CHECK: bb.0
+# CHECK-NEXT: successors
+# CHECK-NEXT: {{[[:space:]]$}}
+# CHECK-NEXT: BuildPairF64_64
+body: |
+  bb.0:
+    $d0_64 = BuildPairF64_64 $zero, $zero
+  bb.1:
+    JAL @foo, implicit-def $ra
+  bb.2:
+    RetRA
+...
+---
+name: testBuildPairF64implicitSp
+# CHECK-LABEL: name: testBuildPairF64implicitSp
+# CHECK: bb.0
+# CHECK-NEXT: successors
+# CHECK-NEXT: {{[[:space:]]$}}
+# CHECK-NEXT: $sp = ADDiu $sp, -{{[0-9]+}}
+body: |
+  bb.0:
+    $d0 = BuildPairF64 $zero, $zero, implicit $sp
+  bb.1:
+    JAL @foo, implicit-def $ra
+  bb.2:
+    RetRA
+...
+---
+name: testBuildPairF64_64implicitSp
+# CHECK-LABEL: name: testBuildPairF64_64implicitSp
+# CHECK: bb.0
+# CHECK-NEXT: successors
+# CHECK-NEXT: {{[[:space:]]$}}
+# CHECK-NEXT: $sp = ADDiu $sp, -{{[0-9]+}}
+body: |
+  bb.0:
+    $d0_64 = BuildPairF64_64 $zero, $zero, implicit $sp
+  bb.1:
+    JAL @foo, implicit-def $ra
+  bb.2:
+    RetRA
+...
+---
+name: testExtractElementF64
+# CHECK-LABEL: name: testExtractElementF64
+# CHECK: bb.0
+# CHECK-NEXT: successors
+# CHECK-NEXT: {{[[:space:]]$}}
+# CHECK-NEXT: ExtractElementF64
+body: |
+  bb.0:
+    $at = ExtractElementF64 $d6, 1
+  bb.1:
+    JAL @foo, implicit-def $ra
+  bb.2:
+    RetRA
+...
+---
+name: testExtractElementF64_64
+# CHECK-LABEL: name: testExtractElementF64_64
+# CHECK: bb.0
+# CHECK-NEXT: successors
+# CHECK-NEXT: {{[[:space:]]$}}
+# CHECK-NEXT: ExtractElementF64_64
+body: |
+  bb.0:
+    $at = ExtractElementF64_64 $d12_64, 1
+  bb.1:
+    JAL @foo, implicit-def $ra
+  bb.2:
+    RetRA
+...
+---
+name: testExtractElementF64implicitSp
+# CHECK-LABEL: name: testExtractElementF64implicitSp
+# CHECK: bb.0
+# CHECK-NEXT: successors
+# CHECK-NEXT: {{[[:space:]]$}}
+# CHECK-NEXT: $sp = ADDiu $sp, -{{[0-9]+}}
+body: |
+  bb.0:
+    $at = ExtractElementF64 $d6, 1, implicit $sp
+  bb.1:
+    JAL @foo, implicit-def $ra
+  bb.2:
+    RetRA
+...
+---
+name: testExtractElementF64_64implicitSp
+# CHECK-LABEL: name: testExtractElementF64_64implicitSp
+# CHECK: bb.0
+# CHECK-NEXT: successors
+# CHECK-NEXT: {{[[:space:]]$}}
+# CHECK-NEXT: $sp = ADDiu $sp, -{{[0-9]+}}
+body: |
+  bb.0:
+    $at = ExtractElementF64_64 $d12_64, 1, implicit $sp
+  bb.1:
+    JAL @foo, implicit-def $ra
+  bb.2:
+    RetRA
+...