Revert 239644.

[oota-llvm.git] / test / CodeGen / R600 / fmul.ll

diff --git a/test/CodeGen/R600/fmul.ll b/test/CodeGen/R600/fmul.ll
index eabb2712353deccca17f4bf3498ce4675a6de7b6..addc409c9eb15b23d4ef2a8f9cf32765c8c57d18 100644 (file)
--- a/test/CodeGen/R600/fmul.ll
+++ b/test/CodeGen/R600/fmul.ll
@@ -1,4 +1,5 @@
-; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
 ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s
 
 
@@ -41,9 +42,9 @@ entry:
 ; SI: v_mul_f32
 ; SI: v_mul_f32
 define void @fmul_v4f32(<4 x float> addrspace(1)* %out, <4 x float> addrspace(1)* %in) {
-  %b_ptr = getelementptr <4 x float> addrspace(1)* %in, i32 1
-  %a = load <4 x float> addrspace(1) * %in
-  %b = load <4 x float> addrspace(1) * %b_ptr
+  %b_ptr = getelementptr <4 x float>, <4 x float> addrspace(1)* %in, i32 1
+  %a = load <4 x float>, <4 x float> addrspace(1) * %in
+  %b = load <4 x float>, <4 x float> addrspace(1) * %b_ptr
   %result = fmul <4 x float> %a, %b
   store <4 x float> %result, <4 x float> addrspace(1)* %out
   ret void
@@ -72,4 +73,20 @@ define void @test_mul_2_k_inv(float addrspace(1)* %out, float %x) #0 {
   ret void
 }
 
+; There should be three multiplies here; %a should be used twice (once
+; negated), not duplicated into mul x, 5.0 and mul x, -5.0.
+; FUNC-LABEL: {{^}}test_mul_twouse:
+; SI: v_mul_f32
+; SI: v_mul_f32
+; SI: v_mul_f32
+; SI-NOT: v_mul_f32
+define void @test_mul_twouse(float addrspace(1)* %out, float %x, float %y) #0 {
+  %a = fmul float %x, 5.0
+  %b = fsub float -0.0, %a
+  %c = fmul float %b, %y
+  %d = fmul float %c, %a
+  store float %d, float addrspace(1)* %out
+  ret void
+}
+
 attributes #0 = { "less-precise-fpmad"="true" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "unsafe-fp-math"="true" }