R600/SI: Remove v_sub_f64 pseudo
The expansion code does the same thing. Since
the operands were not defined with the correct
types, this has the side effect of fixing operand
folding since the expanded pseudo would never use
SGPRs or inline immediates.
llvm-svn: 230072
diff --git a/llvm/test/CodeGen/R600/fneg-fabs.f64.ll b/llvm/test/CodeGen/R600/fneg-fabs.f64.ll
index ee9f82d..7e6ede6 100644
--- a/llvm/test/CodeGen/R600/fneg-fabs.f64.ll
+++ b/llvm/test/CodeGen/R600/fneg-fabs.f64.ll
@@ -5,9 +5,7 @@
; into 2 modifiers, although theoretically that should work.
; FUNC-LABEL: {{^}}fneg_fabs_fadd_f64:
-; SI: v_mov_b32_e32 [[IMMREG:v[0-9]+]], 0x7fffffff
-; SI: v_and_b32_e32 v[[FABS:[0-9]+]], {{s[0-9]+}}, [[IMMREG]]
-; SI: v_add_f64 {{v\[[0-9]+:[0-9]+\]}}, {{v\[[0-9]+:[0-9]+\]}}, -v{{\[[0-9]+}}:[[FABS]]{{\]}}
+; SI: v_add_f64 {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, -|v{{\[[0-9]+:[0-9]+\]}}|
define void @fneg_fabs_fadd_f64(double addrspace(1)* %out, double %x, double %y) {
%fabs = call double @llvm.fabs.f64(double %x)
%fsub = fsub double -0.000000e+00, %fabs