-; RUN: llc -march=x86-64 -mattr=+avx,-fma4 -mtriple=x86_64-apple-darwin -enable-unsafe-fp-math < %s | FileCheck %s
+; RUN: llc -march=x86-64 -mcpu=corei7-avx -enable-unsafe-fp-math < %s | FileCheck %s
-; CHECK: test1
+; CHECK-LABEL: test1
define float @test1(float %a) {
; CHECK-NOT: addss
; CHECK: mulss
ret float %r
}
-; CHECK: test2
+; CHECK-LABEL: test2
define float @test2(float %a) {
; CHECK-NOT: addss
; CHECK: mulss
ret float %r
}
-; CHECK: test3
+; CHECK-LABEL: 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-LABEL: 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-LABEL: 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-LABEL: test6
+define float @test6(float %a) {
+; CHECK-NOT: addss
; CHECK: xorps
; CHECK-NOT: addss
; CHECK: ret
ret float %r
}
-; CHECK: test4
-define float @test4(float %a) {
+; CHECK-LABEL: 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-LABEL: test8
+define float @test8(float %a) {
; CHECK-NOT: fma
-; CHECK-NOT mul
+; CHECK-NOT: mul
; CHECK-NOT: add
; CHECK: ret
%t1 = fmul float %a, 0.0
ret float %t2
}
-; CHECK: test5
-define float @test5(float %a) {
+; CHECK-LABEL: 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-LABEL: 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-LABEL: test11
+define float @test11(float %a) {
; CHECK-NOT: add
; CHECK: vxorps
; CHECK: ret