[llvm] r326101 - AMDGPU/GlobalISel: Make f64 constants legal

[Matt Arsenault via llvm-commits]

Author: arsenm
Date: Mon Feb 26 09:20:43 2018
New Revision: 326101

URL: http://llvm.org/viewvc/llvm-project?rev=326101&view=rev
Log:
AMDGPU/GlobalISel: Make f64 constants legal

Modified:
    llvm/trunk/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
    llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/legalize-constant.mir

Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp?rev=326101&r1=326100&r2=326101&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp Mon Feb 26 09:20:43 2018
@@ -50,6 +50,7 @@ AMDGPULegalizerInfo::AMDGPULegalizerInfo
   setAction({G_CONSTANT, S64}, Legal);
 
   setAction({G_FCONSTANT, S32}, Legal);
+  setAction({G_FCONSTANT, S64}, Legal);
 
   setAction({G_FADD, S32}, Legal);
 

Modified: llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/legalize-constant.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/legalize-constant.mir?rev=326101&r1=326100&r2=326101&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/legalize-constant.mir (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/legalize-constant.mir Mon Feb 26 09:20:43 2018
@@ -2,13 +2,19 @@
 # RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -O0 -run-pass=legalizer -global-isel %s -o - | FileCheck %s
 
 --- |
-  define void @test_constant() {
-  entry:
+  define void @test_constant_i32() {
     ret void
   }
 
-  define void @test_fconstant() {
-  entry:
+  define void @test_constant_i64() {
+    ret void
+  }
+
+  define void @test_fconstant_f32() {
+    ret void
+  }
+
+  define void @test_fconstant_f64() {
     ret void
   }
 
@@ -19,14 +25,14 @@
 ...
 
 ---
-name:            test_constant
+name:            test_constant_i32
 registers:
   - { id: 0, class: _ }
   - { id: 1, class: _ }
 body: |
-  bb.0.entry:
+  bb.0:
 
-    ; CHECK-LABEL: name: test_constant
+    ; CHECK-LABEL: name: test_constant_i32
     ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 5
     ; CHECK: [[C1:%[0-9]+]]:_(s1) = G_CONSTANT i1 false
     ; CHECK: G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.exp), [[C]](s32), [[C]](s32), [[C]](s32), [[C]](s32), [[C]](s32), [[C]](s32), [[C1]](s1), [[C1]](s1)
@@ -34,20 +40,55 @@ body: |
     %1(s1) = G_CONSTANT i1 0
     G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.exp.f32), %0, %0, %0, %0, %0, %0, %1, %1;
 ...
+---
+name:            test_constant_i64
+registers:
+  - { id: 0, class: _ }
+  - { id: 1, class: _ }
+body: |
+  bb.0:
 
+    ; CHECK-LABEL: name: test_constant_i64
+    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 5
+    ; CHECK: [[C1:%[0-9]+]]:_(s1) = G_CONSTANT i1 false
+    ; CHECK: G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.exp), [[C]](s32), [[C]](s32), [[C]](s32), [[C]](s32), [[C]](s32), [[C]](s32), [[C1]](s1), [[C1]](s1)
+    %0(s32) = G_CONSTANT i32 5
+    %1(s1) = G_CONSTANT i1 0
+    G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.exp.f32), %0, %0, %0, %0, %0, %0, %1, %1;
+...
 ---
-name:            test_fconstant
+name:            test_fconstant_f32
 registers:
   - { id: 0, class: _ }
   - { id: 1, class: _ }
 body: |
-  bb.0.entry:
+  bb.0:
 
-    ; CHECK-LABEL: name: test_fconstant
+    ; CHECK-LABEL: name: test_fconstant_f32
     ; CHECK: [[C:%[0-9]+]]:_(s32) = G_FCONSTANT float 1.000000e+00
+    ; CHECK: $vgpr0 = COPY [[C]](s32)
     ; CHECK: [[C1:%[0-9]+]]:_(s32) = G_FCONSTANT float 7.500000e+00
+    ; CHECK: $vgpr0 = COPY [[C1]](s32)
     %0(s32) = G_FCONSTANT float 1.0
     $vgpr0 = COPY %0
     %1(s32) = G_FCONSTANT float 7.5
     $vgpr0 = COPY %1
 ...
+---
+name:            test_fconstant_f64
+registers:
+  - { id: 0, class: _ }
+  - { id: 1, class: _ }
+body: |
+  bb.0:
+
+    ; CHECK-LABEL: name: test_fconstant_f64
+    ; CHECK: [[C:%[0-9]+]]:_(s64) = G_FCONSTANT double 1.000000e+00
+    ; CHECK: $vgpr0_vgpr1 = COPY [[C]](s64)
+    ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_FCONSTANT double 7.500000e+00
+    ; CHECK: $vgpr0_vgpr1 = COPY [[C1]](s64)
+    %0(s64) = G_FCONSTANT double 1.0
+    $vgpr0_vgpr1 = COPY %0
+    %1(s64) = G_FCONSTANT double 7.5
+    $vgpr0_vgpr1 = COPY %1
+...