AMDGPU: Add default denormal mode to MachineFunctionInfo

The default FP mode should really be a property of a specific
function, and not a subtarget. Introduce the necessary fields to the
SIMachineFunctionInfo to help move towards this goal.

2 files changed, 27 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-no-ir.mir b/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-no-ir.mir
index 8334ef5ef6c..0b23ded5d9d 100644
--- a/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-no-ir.mir
+++ b/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-no-ir.mir
@@ -25,6 +25,8 @@
 # FULL-NEXT: mode:
 # FULL-NEXT: ieee: true
 # FULL-NEXT: dx10-clamp: true
+# FULL-NEXT: fp32-denormals: true
+# FULL-NEXT: fp64-fp16-denormals: true
 # FULL-NEXT:  highBitsOf32BitAddress: 0
 # FULL-NEXT: body:
 
@@ -92,6 +94,8 @@ body:             |
 # FULL-NEXT: mode:
 # FULL-NEXT: ieee: true
 # FULL-NEXT: dx10-clamp: true
+# FULL-NEXT: fp32-denormals: true
+# FULL-NEXT: fp64-fp16-denormals: true
 # FULL-NEXT:  highBitsOf32BitAddress: 0
 # FULL-NEXT: body:
 
@@ -129,6 +133,8 @@ body:             |
 # FULL-NEXT: mode:
 # FULL-NEXT: ieee: true
 # FULL-NEXT: dx10-clamp: true
+# FULL-NEXT: fp32-denormals: true
+# FULL-NEXT: fp64-fp16-denormals: true
 # FULL-NEXT:  highBitsOf32BitAddress: 0
 # FULL-NEXT: body:
 
@@ -167,6 +173,8 @@ body:             |
 # FULL-NEXT: mode:
 # FULL-NEXT: ieee: true
 # FULL-NEXT: dx10-clamp: true
+# FULL-NEXT: fp32-denormals: true
+# FULL-NEXT: fp64-fp16-denormals: true
 # FULL-NEXT:  highBitsOf32BitAddress: 0
 # FULL-NEXT: body:
 
@@ -239,11 +247,16 @@ body:             |
 # ALL: mode:
 # ALL-NEXT: ieee: false
 # ALL-NEXT: dx10-clamp: false
+# ALL-NEXT: fp32-denormals: false
+# ALL-NEXT: fp64-fp16-denormals: false
+
 name: parse_mode
 machineFunctionInfo:
   mode:
     ieee: false
     dx10-clamp: false
+    fp32-denormals: false
+    fp64-fp16-denormals: false
 
 body:             |
   bb.0:
diff --git a/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info.ll b/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info.ll
index bc354f2a0d8..f9de722c567 100644
--- a/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info.ll
+++ b/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info.ll
@@ -28,6 +28,8 @@
 ; CHECK-NEXT: mode:
 ; CHECK-NEXT: ieee: true
 ; CHECK-NEXT: dx10-clamp: true
+; CHECK-NEXT: fp32-denormals: false
+; CHECK-NEXT: fp64-fp16-denormals: true
 ; CHECK-NEXT: highBitsOf32BitAddress: 0
 ; CHECK-NEXT: body:
 define amdgpu_kernel void @kernel(i32 %arg0, i64 %arg1, <16 x i32> %arg2) {
@@ -55,6 +57,8 @@ define amdgpu_kernel void @kernel(i32 %arg0, i64 %arg1, <16 x i32> %arg2) {
 ; CHECK-NEXT: mode:
 ; CHECK-NEXT: ieee: false
 ; CHECK-NEXT: dx10-clamp: true
+; CHECK-NEXT: fp32-denormals: false
+; CHECK-NEXT: fp64-fp16-denormals: true
 ; CHECK-NEXT: highBitsOf32BitAddress: 0
 ; CHECK-NEXT: body:
 define amdgpu_ps void @ps_shader(i32 %arg0, i32 inreg %arg1) {
@@ -80,6 +84,8 @@ define amdgpu_ps void @ps_shader(i32 %arg0, i32 inreg %arg1) {
 ; CHECK-NEXT: mode:
 ; CHECK-NEXT: ieee: true
 ; CHECK-NEXT: dx10-clamp: true
+; CHECK-NEXT: fp32-denormals: false
+; CHECK-NEXT: fp64-fp16-denormals: true
 ; CHECK-NEXT: highBitsOf32BitAddress: 0
 ; CHECK-NEXT: body:
 define void @function() {
@@ -105,6 +111,8 @@ define void @function() {
 ; CHECK-NEXT: mode:
 ; CHECK-NEXT: ieee: true
 ; CHECK-NEXT: dx10-clamp: true
+; CHECK-NEXT: fp32-denormals: false
+; CHECK-NEXT: fp64-fp16-denormals: true
 ; CHECK-NEXT: highBitsOf32BitAddress: 0
 ; CHECK-NEXT: body:
 define void @function_nsz() #0 {
@@ -115,6 +123,8 @@ define void @function_nsz() #0 {
 ; CHECK: mode:
 ; CHECK-NEXT: ieee: true
 ; CHECK-NEXT: dx10-clamp: false
+; CHECK-NEXT: fp32-denormals: false
+; CHECK-NEXT: fp64-fp16-denormals: true
 define void @function_dx10_clamp_off() #1 {
   ret void
 }
@@ -123,6 +133,8 @@ define void @function_dx10_clamp_off() #1 {
 ; CHECK: mode:
 ; CHECK-NEXT: ieee: false
 ; CHECK-NEXT: dx10-clamp: true
+; CHECK-NEXT: fp32-denormals: false
+; CHECK-NEXT: fp64-fp16-denormals: true
 define void @function_ieee_off() #2 {
   ret void
 }
@@ -131,6 +143,8 @@ define void @function_ieee_off() #2 {
 ; CHECK: mode:
 ; CHECK-NEXT: ieee: false
 ; CHECK-NEXT: dx10-clamp: false
+; CHECK-NEXT: fp32-denormals: false
+; CHECK-NEXT: fp64-fp16-denormals: true
 define void @function_ieee_off_dx10_clamp_off() #3 {
   ret void
 }