AMDGPU: Move cndmask pseudo to be isel pseudo

There's only one use of this for the convenience
of a pattern. I think v_mov_b64_pseudo should also be
moved, but SIFoldOperands does currently make use of it.

llvm-svn: 279901
diff --git a/llvm/test/CodeGen/AMDGPU/fract.f64.ll b/llvm/test/CodeGen/AMDGPU/fract.f64.ll
index 68b8843..29b90a4 100644
--- a/llvm/test/CodeGen/AMDGPU/fract.f64.ll
+++ b/llvm/test/CodeGen/AMDGPU/fract.f64.ll
@@ -13,9 +13,9 @@
 ; SI-DAG: v_mov_b32_e32 v[[UPLO:[0-9]+]], -1
 ; SI-DAG: v_mov_b32_e32 v[[UPHI:[0-9]+]], 0x3fefffff
 ; SI-DAG: v_min_f64 v{{\[}}[[MINLO:[0-9]+]]:[[MINHI:[0-9]+]]], v{{\[}}[[UPLO]]:[[UPHI]]], [[FRC]]
-; SI-DAG: v_cmp_class_f64_e64 [[COND:s\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO]]:[[HI]]], 3
-; SI: v_cndmask_b32_e64 v[[RESLO:[0-9]+]], v[[MINLO]], v[[LO]], [[COND]]
-; SI: v_cndmask_b32_e64 v[[RESHI:[0-9]+]], v[[MINHI]], v[[HI]], [[COND]]
+; SI-DAG: v_cmp_class_f64_e64 vcc, v{{\[}}[[LO]]:[[HI]]], 3
+; SI: v_cndmask_b32_e32 v[[RESLO:[0-9]+]], v[[MINLO]], v[[LO]], vcc
+; SI: v_cndmask_b32_e32 v[[RESHI:[0-9]+]], v[[MINHI]], v[[HI]], vcc
 ; SI: v_add_f64 [[SUB0:v\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO]]:[[HI]]{{\]}}, -v{{\[}}[[RESLO]]:[[RESHI]]{{\]}}
 ; SI: v_add_f64 [[FRACT:v\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO]]:[[HI]]{{\]}}, -[[SUB0]]
 
@@ -40,9 +40,9 @@
 ; SI-DAG: v_mov_b32_e32 v[[UPLO:[0-9]+]], -1
 ; SI-DAG: v_mov_b32_e32 v[[UPHI:[0-9]+]], 0x3fefffff
 ; SI-DAG: v_min_f64 v{{\[}}[[MINLO:[0-9]+]]:[[MINHI:[0-9]+]]], v{{\[}}[[UPLO]]:[[UPHI]]], [[FRC]]
-; SI-DAG: v_cmp_class_f64_e64 [[COND:s\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO]]:[[HI]]], 3
-; SI: v_cndmask_b32_e64 v[[RESLO:[0-9]+]], v[[MINLO]], v[[LO]], [[COND]]
-; SI: v_cndmask_b32_e64 v[[RESHI:[0-9]+]], v[[MINHI]], v[[HI]], [[COND]]
+; SI-DAG: v_cmp_class_f64_e64 vcc, v{{\[}}[[LO]]:[[HI]]], 3
+; SI: v_cndmask_b32_e32 v[[RESLO:[0-9]+]], v[[MINLO]], v[[LO]], vcc
+; SI: v_cndmask_b32_e32 v[[RESHI:[0-9]+]], v[[MINHI]], v[[HI]], vcc
 ; SI: v_add_f64 [[SUB0:v\[[0-9]+:[0-9]+\]]], -v{{\[}}[[LO]]:[[HI]]{{\]}}, -v{{\[}}[[RESLO]]:[[RESHI]]{{\]}}
 ; SI: v_add_f64 [[FRACT:v\[[0-9]+:[0-9]+\]]], -v{{\[}}[[LO]]:[[HI]]{{\]}}, -[[SUB0]]
 
@@ -68,9 +68,9 @@
 ; SI-DAG: v_mov_b32_e32 v[[UPLO:[0-9]+]], -1
 ; SI-DAG: v_mov_b32_e32 v[[UPHI:[0-9]+]], 0x3fefffff
 ; SI-DAG: v_min_f64 v{{\[}}[[MINLO:[0-9]+]]:[[MINHI:[0-9]+]]], v{{\[}}[[UPLO]]:[[UPHI]]], [[FRC]]
-; SI-DAG: v_cmp_class_f64_e64 [[COND:s\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO]]:[[HI]]], 3
-; SI: v_cndmask_b32_e64 v[[RESLO:[0-9]+]], v[[MINLO]], v[[LO]], [[COND]]
-; SI: v_cndmask_b32_e64 v[[RESHI:[0-9]+]], v[[MINHI]], v[[HI]], [[COND]]
+; SI-DAG: v_cmp_class_f64_e64 vcc, v{{\[}}[[LO]]:[[HI]]], 3
+; SI: v_cndmask_b32_e32 v[[RESLO:[0-9]+]], v[[MINLO]], v[[LO]], vcc
+; SI: v_cndmask_b32_e32 v[[RESHI:[0-9]+]], v[[MINHI]], v[[HI]], vcc
 ; SI: v_add_f64 [[SUB0:v\[[0-9]+:[0-9]+\]]], -|v{{\[}}[[LO]]:[[HI]]{{\]}}|, -v{{\[}}[[RESLO]]:[[RESHI]]{{\]}}
 ; SI: v_add_f64 [[FRACT:v\[[0-9]+:[0-9]+\]]], -|v{{\[}}[[LO]]:[[HI]]{{\]}}|, -[[SUB0]]