1 files changed, 73 insertions, 4 deletions
diff --git a/test/CodeGen/X86/fp-fast.ll b/test/CodeGen/X86/fp-fast.ll
index 287504801d..7589ac4bdc 100644
--- a/test/CodeGen/X86/fp-fast.ll
+++ b/test/CodeGen/X86/fp-fast.ll
@@ -26,6 +26,42 @@ define float @test2(float %a) {
 ; CHECK: test3
 define float @test3(float %a) {
 ; CHECK-NOT: addss
+; CHECK: mulss
+; CHECK-NOT: addss
+; CHECK: ret
+  %t1 = fmul float %a, 4.0
+  %t2 = fadd float %a, %a
+  %r = fadd float %t1, %t2
+  ret float %r
+}
+
+; CHECK: test4
+define float @test4(float %a) {
+; CHECK-NOT: addss
+; CHECK: mulss
+; CHECK-NOT: addss
+; CHECK: ret
+  %t1 = fadd float %a, %a
+  %t2 = fmul float 4.0, %a
+  %r = fadd float %t1, %t2
+  ret float %r
+}
+
+; CHECK: test5
+define float @test5(float %a) {
+; CHECK-NOT: addss
+; CHECK: mulss
+; CHECK-NOT: addss
+; CHECK: ret
+  %t1 = fadd float %a, %a
+  %t2 = fmul float %a, 4.0
+  %r = fadd float %t1, %t2
+  ret float %r
+}
+
+; CHECK: test6
+define float @test6(float %a) {
+; CHECK-NOT: addss
 ; CHECK: xorps
 ; CHECK-NOT: addss
 ; CHECK: ret
@@ -35,8 +71,20 @@ define float @test3(float %a) {
   ret float %r
 }
 
-; CHECK: test4
-define float @test4(float %a) {
+; CHECK: test7
+define float @test7(float %a) {
+; CHECK-NOT: addss
+; CHECK: xorps
+; CHECK-NOT: addss
+; CHECK: ret
+  %t1 = fmul float %a, 2.0
+  %t2 = fadd float %a, %a
+  %r = fsub float %t1, %t2
+  ret float %r
+}
+
+; CHECK: test8
+define float @test8(float %a) {
 ; CHECK-NOT: fma
 ; CHECK-NOT: mul
 ; CHECK-NOT: add
@@ -46,8 +94,29 @@ define float @test4(float %a) {
   ret float %t2
 }
 
-; CHECK: test5
-define float @test5(float %a) {
+; CHECK: test9
+define float @test9(float %a) {
+; CHECK-NOT: fma
+; CHECK-NOT: mul
+; CHECK-NOT: add
+; CHECK: ret
+  %t1 = fmul float 0.0, %a
+  %t2 = fadd float %t1, %a
+  ret float %t2
+}
+
+; CHECK: test10
+define float @test10(float %a) {
+; CHECK-NOT: add
+; CHECK: vxorps
+; CHECK: ret
+  %t1 = fsub float -0.0, %a
+  %t2 = fadd float %a, %t1
+  ret float %t2
+}
+
+; CHECK: test11
+define float @test11(float %a) {
 ; CHECK-NOT: add
 ; CHECK: vxorps
 ; CHECK: ret