diff options
Diffstat (limited to 'test/CodeGen/R600/fneg.ll')
| -rw-r--r-- | test/CodeGen/R600/fneg.ll | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/test/CodeGen/R600/fneg.ll b/test/CodeGen/R600/fneg.ll index f4e6be6246..4cddc73789 100644 --- a/test/CodeGen/R600/fneg.ll +++ b/test/CodeGen/R600/fneg.ll @@ -51,7 +51,7 @@ entry: ; R600-CHECK: -KC0[2].Z ; SI-CHECK-LABEL: @fneg_free ; XXX: We could use V_ADD_F32_e64 with the negate bit here instead. -; SI-CHECK: V_SUB_F32_e64 v{{[0-9]}}, 0.000000e+00, s{{[0-9]}}, 0, 0, 0, 0 +; SI-CHECK: V_SUB_F32_e64 v{{[0-9]}}, 0.000000e+00, s{{[0-9]}}, 0, 0 define void @fneg_free(float addrspace(1)* %out, i32 %in) { entry: %0 = bitcast i32 %in to float @@ -59,3 +59,14 @@ entry: store float %1, float addrspace(1)* %out ret void } + +; SI-CHECK-LABEL: @fneg_fold +; SI-CHECK-NOT: V_XOR_B32 +; SI-CHECK: V_MUL_F32_e64 v{{[0-9]+}}, s{{[0-9]+}}, -v{{[0-9]+}} +define void @fneg_fold(float addrspace(1)* %out, float %in) { +entry: + %0 = fsub float -0.0, %in + %1 = fmul float %0, %in + store float %1, float addrspace(1)* %out + ret void +} |