R600/SI: Make more unordered comparisons legal

This saves a second compare and an and / or by using
the unordered comparison instructions.

llvm-svn: 224066

3 files changed, 24 insertions, 36 deletions

diff --git a/llvm/test/CodeGen/R600/fcmp64.ll b/llvm/test/CodeGen/R600/fcmp64.ll
index dc24443504d..73cee669c43 100644
--- a/llvm/test/CodeGen/R600/fcmp64.ll
+++ b/llvm/test/CodeGen/R600/fcmp64.ll
@@ -1,7 +1,7 @@
 ; RUN: llc < %s -march=r600 -mcpu=tahiti -verify-machineinstrs | FileCheck %s
 
 ; CHECK-LABEL: {{^}}flt_f64:
-; CHECK: v_cmp_lt_f64_e64 {{s[[0-9]+:[0-9]+], v[[0-9]+:[0-9]+], v[[0-9]+:[0-9]+]}}
+; CHECK: v_cmp_nge_f64_e32 vcc, {{v[[0-9]+:[0-9]+], v[[0-9]+:[0-9]+]}}
 define void @flt_f64(i32 addrspace(1)* %out, double addrspace(1)* %in1,
                      double addrspace(1)* %in2) {
    %r0 = load double addrspace(1)* %in1
@@ -13,7 +13,7 @@ define void @flt_f64(i32 addrspace(1)* %out, double addrspace(1)* %in1,
 }
 
 ; CHECK-LABEL: {{^}}fle_f64:
-; CHECK: v_cmp_le_f64_e64 {{s[[0-9]+:[0-9]+], v[[0-9]+:[0-9]+], v[[0-9]+:[0-9]+]}}
+; CHECK: v_cmp_ngt_f64_e32 vcc, {{v[[0-9]+:[0-9]+], v[[0-9]+:[0-9]+]}}
 define void @fle_f64(i32 addrspace(1)* %out, double addrspace(1)* %in1,
                      double addrspace(1)* %in2) {
    %r0 = load double addrspace(1)* %in1
@@ -25,7 +25,7 @@ define void @fle_f64(i32 addrspace(1)* %out, double addrspace(1)* %in1,
 }
 
 ; CHECK-LABEL: {{^}}fgt_f64:
-; CHECK: v_cmp_gt_f64_e64 {{s[[0-9]+:[0-9]+], v[[0-9]+:[0-9]+], v[[0-9]+:[0-9]+]}}
+; CHECK: v_cmp_nle_f64_e32 vcc, {{v[[0-9]+:[0-9]+], v[[0-9]+:[0-9]+]}}
 define void @fgt_f64(i32 addrspace(1)* %out, double addrspace(1)* %in1,
                      double addrspace(1)* %in2) {
    %r0 = load double addrspace(1)* %in1
@@ -37,7 +37,7 @@ define void @fgt_f64(i32 addrspace(1)* %out, double addrspace(1)* %in1,
 }
 
 ; CHECK-LABEL: {{^}}fge_f64:
-; CHECK: v_cmp_ge_f64_e64 {{s[[0-9]+:[0-9]+], v[[0-9]+:[0-9]+], v[[0-9]+:[0-9]+]}}
+; CHECK: v_cmp_nlt_f64_e32 vcc, {{v[[0-9]+:[0-9]+], v[[0-9]+:[0-9]+]}}
 define void @fge_f64(i32 addrspace(1)* %out, double addrspace(1)* %in1,
                      double addrspace(1)* %in2) {
    %r0 = load double addrspace(1)* %in1
diff --git a/llvm/test/CodeGen/R600/setcc.ll b/llvm/test/CodeGen/R600/setcc.ll
index d2842d440cb..2b19fcf7868 100644
--- a/llvm/test/CodeGen/R600/setcc.ll
+++ b/llvm/test/CodeGen/R600/setcc.ll
@@ -145,10 +145,8 @@ entry:
 ; FUNC-LABEL: {{^}}f32_ugt:
 ; R600: SETGE
 ; R600: SETE_DX10
-; SI: v_cmp_u_f32
-; SI: v_cmp_gt_f32
-; SI: s_or_b64
-; SI: v_cndmask_b32
+; SI: v_cmp_nle_f32_e32 vcc
+; SI-NEXT: v_cndmask_b32_e64 {{v[0-9]+}}, 0, -1, vcc
 define void @f32_ugt(i32 addrspace(1)* %out, float %a, float %b) {
 entry:
   %0 = fcmp ugt float %a, %b
@@ -160,10 +158,9 @@ entry:
 ; FUNC-LABEL: {{^}}f32_uge:
 ; R600: SETGT
 ; R600: SETE_DX10
-; SI: v_cmp_u_f32
-; SI: v_cmp_ge_f32
-; SI: s_or_b64
-; SI: v_cndmask_b32
+
+; SI: v_cmp_nlt_f32_e32 vcc
+; SI-NEXT: v_cndmask_b32_e64 {{v[0-9]+}}, 0, -1, vcc
 define void @f32_uge(i32 addrspace(1)* %out, float %a, float %b) {
 entry:
   %0 = fcmp uge float %a, %b
@@ -175,10 +172,9 @@ entry:
 ; FUNC-LABEL: {{^}}f32_ult:
 ; R600: SETGE
 ; R600: SETE_DX10
-; SI: v_cmp_u_f32
-; SI: v_cmp_lt_f32
-; SI: s_or_b64
-; SI: v_cndmask_b32
+
+; SI: v_cmp_nge_f32_e32 vcc
+; SI-NEXT: v_cndmask_b32_e64 {{v[0-9]+}}, 0, -1, vcc
 define void @f32_ult(i32 addrspace(1)* %out, float %a, float %b) {
 entry:
   %0 = fcmp ult float %a, %b
@@ -190,10 +186,9 @@ entry:
 ; FUNC-LABEL: {{^}}f32_ule:
 ; R600: SETGT
 ; R600: SETE_DX10
-; SI: v_cmp_u_f32
-; SI: v_cmp_le_f32
-; SI: s_or_b64
-; SI: v_cndmask_b32
+
+; SI: v_cmp_ngt_f32_e32 vcc
+; SI-NEXT: v_cndmask_b32_e64 {{v[0-9]+}}, 0, -1, vcc
 define void @f32_ule(i32 addrspace(1)* %out, float %a, float %b) {
 entry:
   %0 = fcmp ule float %a, %b
diff --git a/llvm/test/CodeGen/R600/setcc64.ll b/llvm/test/CodeGen/R600/setcc64.ll
index 6a1c5ef1af0..d9e982e09b2 100644
--- a/llvm/test/CodeGen/R600/setcc64.ll
+++ b/llvm/test/CodeGen/R600/setcc64.ll
@@ -91,10 +91,9 @@ entry:
 }
 
 ; FUNC-LABEL: {{^}}f64_ugt:
-; SI: v_cmp_u_f64
-; SI: v_cmp_gt_f64
-; SI: s_or_b64
-; SI: v_cndmask_b32
+
+; SI: v_cmp_nle_f64_e32 vcc
+; SI-NEXT: v_cndmask_b32_e64 {{v[0-9]+}}, 0, -1, vcc
 define void @f64_ugt(i32 addrspace(1)* %out, double %a, double %b) {
 entry:
   %0 = fcmp ugt double %a, %b
@@ -104,10 +103,8 @@ entry:
 }
 
 ; FUNC-LABEL: {{^}}f64_uge:
-; SI: v_cmp_u_f64
-; SI: v_cmp_ge_f64
-; SI: s_or_b64
-; SI: v_cndmask_b32
+; SI: v_cmp_nlt_f64_e32 vcc
+; SI-NEXT: v_cndmask_b32_e64 {{v[0-9]+}}, 0, -1, vcc
 define void @f64_uge(i32 addrspace(1)* %out, double %a, double %b) {
 entry:
   %0 = fcmp uge double %a, %b
@@ -117,10 +114,8 @@ entry:
 }
 
 ; FUNC-LABEL: {{^}}f64_ult:
-; SI: v_cmp_u_f64
-; SI: v_cmp_lt_f64
-; SI: s_or_b64
-; SI: v_cndmask_b32
+; SI: v_cmp_nge_f64_e32 vcc
+; SI-NEXT: v_cndmask_b32_e64 {{v[0-9]+}}, 0, -1, vcc
 define void @f64_ult(i32 addrspace(1)* %out, double %a, double %b) {
 entry:
   %0 = fcmp ult double %a, %b
@@ -130,10 +125,8 @@ entry:
 }
 
 ; FUNC-LABEL: {{^}}f64_ule:
-; SI: v_cmp_u_f64
-; SI: v_cmp_le_f64
-; SI: s_or_b64
-; SI: v_cndmask_b32
+; SI: v_cmp_ngt_f64_e32 vcc
+; SI-NEXT: v_cndmask_b32_e64 {{v[0-9]+}}, 0, -1, vcc
 define void @f64_ule(i32 addrspace(1)* %out, double %a, double %b) {
 entry:
   %0 = fcmp ule double %a, %b