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llvm/test/CodeGen/X86/fadd-combines.ll
Justin Bogner cbf2c65b9e AsmPrinter: Use emitGlobalConstantFP to emit elements of constant data 
It's strange to duplicate the logic for emitting FP values into
emitGlobalConstantDataSequential, and it's even stranger that we end
up printing the verbose assembly comments differently between the two
paths. Just call into emitGlobalConstantFP rather than crudely
duplicating its logic.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254988 91177308-0d34-0410-b5e6-96231b3b80d8
2015-12-08 02:37:48 +00:00

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; 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" }
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