diff options
Diffstat (limited to 'test/CodeGen/X86/fadd-combines.ll')
| -rw-r--r-- | test/CodeGen/X86/fadd-combines.ll | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/test/CodeGen/X86/fadd-combines.ll b/test/CodeGen/X86/fadd-combines.ll new file mode 100644 index 0000000000000..2df0e06dc2528 --- /dev/null +++ b/test/CodeGen/X86/fadd-combines.ll @@ -0,0 +1,224 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc -mtriple=x86_64-unknown-unknown < %s | FileCheck %s + +define float @fadd_zero_f32(float %x) #0 { +; CHECK-LABEL: fadd_zero_f32: +; CHECK: # BB#0: +; CHECK-NEXT: retq + %y = fadd float %x, 0.0 + ret float %y +} + +define <4 x float> @fadd_zero_4f32(<4 x float> %x) #0 { +; CHECK-LABEL: fadd_zero_4f32: +; CHECK: # BB#0: +; CHECK-NEXT: retq + %y = fadd <4 x float> %x, zeroinitializer + ret <4 x float> %y +} + +; CHECK: float 3 +define float @fadd_2const_f32(float %x) #0 { +; CHECK-LABEL: fadd_2const_f32: +; CHECK: # BB#0: +; CHECK-NEXT: addss {{.*}}(%rip), %xmm0 +; CHECK-NEXT: retq + %y = fadd float %x, 1.0 + %z = fadd float %y, 2.0 + ret float %z +} + +; CHECK: float 5 +; CHECK: float 5 +; CHECK: float 5 +; CHECK: float 5 +define <4 x float> @fadd_2const_4f32(<4 x float> %x) #0 { +; CHECK-LABEL: fadd_2const_4f32: +; CHECK: # BB#0: +; CHECK-NEXT: addps {{.*}}(%rip), %xmm0 +; CHECK-NEXT: retq + %y = fadd <4 x float> %x, <float 1.0, float 2.0, float 3.0, float 4.0> + %z = fadd <4 x float> %y, <float 4.0, float 3.0, float 2.0, float 1.0> + ret <4 x float> %z +} + +; CHECK: float 3 +define float @fadd_x_fmul_x_c_f32(float %x) #0 { +; CHECK-LABEL: fadd_x_fmul_x_c_f32: +; CHECK: # BB#0: +; CHECK-NEXT: mulss {{.*}}(%rip), %xmm0 +; CHECK-NEXT: retq + %y = fmul float %x, 2.0 + %z = fadd float %x, %y + ret float %z +} + +; CHECK: float 2 +; CHECK: float 3 +; CHECK: float 4 +; CHECK: float 5 +define <4 x float> @fadd_x_fmul_x_c_4f32(<4 x float> %x) #0 { +; CHECK-LABEL: fadd_x_fmul_x_c_4f32: +; CHECK: # BB#0: +; CHECK-NEXT: mulps {{.*}}(%rip), %xmm0 +; CHECK-NEXT: retq + %y = fmul <4 x float> %x, <float 1.0, float 2.0, float 3.0, float 4.0> + %z = fadd <4 x float> %x, %y + ret <4 x float> %z +} + +; CHECK: float 3 +define float @fadd_fmul_x_c_x_f32(float %x) #0 { +; CHECK-LABEL: fadd_fmul_x_c_x_f32: +; CHECK: # BB#0: +; CHECK-NEXT: mulss {{.*}}(%rip), %xmm0 +; CHECK-NEXT: retq + %y = fmul float %x, 2.0 + %z = fadd float %y, %x + ret float %z +} + +; CHECK: float 2 +; CHECK: float 3 +; CHECK: float 4 +; CHECK: float 5 +define <4 x float> @fadd_fmul_x_c_x_4f32(<4 x float> %x) #0 { +; CHECK-LABEL: fadd_fmul_x_c_x_4f32: +; CHECK: # BB#0: +; CHECK-NEXT: mulps {{.*}}(%rip), %xmm0 +; CHECK-NEXT: retq + %y = fmul <4 x float> %x, <float 1.0, float 2.0, float 3.0, float 4.0> + %z = fadd <4 x float> %y, %x + ret <4 x float> %z +} + +; CHECK: float 4 +define float @fadd_fadd_x_x_fmul_x_c_f32(float %x) #0 { +; CHECK-LABEL: fadd_fadd_x_x_fmul_x_c_f32: +; CHECK: # BB#0: +; CHECK-NEXT: mulss {{.*}}(%rip), %xmm0 +; CHECK-NEXT: retq + %y = fadd float %x, %x + %z = fmul float %x, 2.0 + %w = fadd float %y, %z + ret float %w +} + +; CHECK: float 3 +; CHECK: float 4 +; CHECK: float 5 +; CHECK: float 6 +define <4 x float> @fadd_fadd_x_x_fmul_x_c_4f32(<4 x float> %x) #0 { +; CHECK-LABEL: fadd_fadd_x_x_fmul_x_c_4f32: +; CHECK: # BB#0: +; CHECK-NEXT: mulps {{.*}}(%rip), %xmm0 +; CHECK-NEXT: retq + %y = fadd <4 x float> %x, %x + %z = fmul <4 x float> %x, <float 1.0, float 2.0, float 3.0, float 4.0> + %w = fadd <4 x float> %y, %z + ret <4 x float> %w +} + +; CHECK: float 4 +define float @fadd_fmul_x_c_fadd_x_x_f32(float %x) #0 { +; CHECK-LABEL: fadd_fmul_x_c_fadd_x_x_f32: +; CHECK: # BB#0: +; CHECK-NEXT: mulss {{.*}}(%rip), %xmm0 +; CHECK-NEXT: retq + %y = fadd float %x, %x + %z = fmul float %x, 2.0 + %w = fadd float %z, %y + ret float %w +} + +; CHECK: float 3 +; CHECK: float 4 +; CHECK: float 5 +; CHECK: float 6 +define <4 x float> @fadd_fmul_x_c_fadd_x_x_4f32(<4 x float> %x) #0 { +; CHECK-LABEL: fadd_fmul_x_c_fadd_x_x_4f32: +; CHECK: # BB#0: +; CHECK-NEXT: mulps {{.*}}(%rip), %xmm0 +; CHECK-NEXT: retq + %y = fadd <4 x float> %x, %x + %z = fmul <4 x float> %x, <float 1.0, float 2.0, float 3.0, float 4.0> + %w = fadd <4 x float> %z, %y + ret <4 x float> %w +} + +; CHECK: float 3 +define float @fadd_x_fadd_x_x_f32(float %x) #0 { +; CHECK-LABEL: fadd_x_fadd_x_x_f32: +; CHECK: # BB#0: +; CHECK-NEXT: mulss {{.*}}(%rip), %xmm0 +; CHECK-NEXT: retq + %y = fadd float %x, %x + %z = fadd float %x, %y + ret float %z +} + +; CHECK: float 3 +; CHECK: float 3 +; CHECK: float 3 +; CHECK: float 3 +define <4 x float> @fadd_x_fadd_x_x_4f32(<4 x float> %x) #0 { +; CHECK-LABEL: fadd_x_fadd_x_x_4f32: +; CHECK: # BB#0: +; CHECK-NEXT: mulps {{.*}}(%rip), %xmm0 +; CHECK-NEXT: retq + %y = fadd <4 x float> %x, %x + %z = fadd <4 x float> %x, %y + ret <4 x float> %z +} + +; CHECK: float 3 +define float @fadd_fadd_x_x_x_f32(float %x) #0 { +; CHECK-LABEL: fadd_fadd_x_x_x_f32: +; CHECK: # BB#0: +; CHECK-NEXT: mulss {{.*}}(%rip), %xmm0 +; CHECK-NEXT: retq + %y = fadd float %x, %x + %z = fadd float %y, %x + ret float %z +} + +; CHECK: float 3 +; CHECK: float 3 +; CHECK: float 3 +; CHECK: float 3 +define <4 x float> @fadd_fadd_x_x_x_4f32(<4 x float> %x) #0 { +; CHECK-LABEL: fadd_fadd_x_x_x_4f32: +; CHECK: # BB#0: +; CHECK-NEXT: mulps {{.*}}(%rip), %xmm0 +; CHECK-NEXT: retq + %y = fadd <4 x float> %x, %x + %z = fadd <4 x float> %y, %x + ret <4 x float> %z +} + +; CHECK: float 4 +define float @fadd_fadd_x_x_fadd_x_x_f32(float %x) #0 { +; CHECK-LABEL: fadd_fadd_x_x_fadd_x_x_f32: +; CHECK: # BB#0: +; CHECK-NEXT: mulss {{.*}}(%rip), %xmm0 +; CHECK-NEXT: retq + %y = fadd float %x, %x + %z = fadd float %y, %y + ret float %z +} + +; CHECK: float 4 +; CHECK: float 4 +; CHECK: float 4 +; CHECK: float 4 +define <4 x float> @fadd_fadd_x_x_fadd_x_x_4f32(<4 x float> %x) #0 { +; CHECK-LABEL: fadd_fadd_x_x_fadd_x_x_4f32: +; CHECK: # BB#0: +; CHECK-NEXT: mulps {{.*}}(%rip), %xmm0 +; CHECK-NEXT: retq + %y = fadd <4 x float> %x, %x + %z = fadd <4 x float> %y, %y + ret <4 x float> %z +} + +attributes #0 = { "less-precise-fpmad"="true" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "unsafe-fp-math"="true" } |