[llvm] [AMDGPU][True16][CodeGen] add -real-true16 flag to a few gisel gfx12 test (PR #141503)

Mon May 26 09:25:03 PDT 2025

llvmbot wrote:




@llvm/pr-subscribers-backend-amdgpu

Author: Brox Chen (broxigarchen)

<details>
<summary>Changes</summary>

This is a NFC change.

Added "-mattr=-real-true16" to a few gfx12 tests. This is for the up coming GFX12 true16 code change. Set these tests to use fake16 flow since true16 are not ready for GISEL

---
Full diff: https://github.com/llvm/llvm-project/pull/141503.diff


6 Files Affected:

- (modified) llvm/test/CodeGen/AMDGPU/GlobalISel/clamp-fmed3-const-combine.ll (+1-1) 
- (modified) llvm/test/CodeGen/AMDGPU/GlobalISel/clamp-minmax-const-combine.ll (+1-1) 
- (modified) llvm/test/CodeGen/AMDGPU/GlobalISel/fmed3-min-max-const-combine.ll (+1-1) 
- (modified) llvm/test/CodeGen/AMDGPU/GlobalISel/mul.ll (+1-1) 
- (modified) llvm/test/CodeGen/AMDGPU/GlobalISel/wmma-gfx12-w32-f16-f32-matrix-modifiers.ll (+1-1) 
- (modified) llvm/test/CodeGen/AMDGPU/GlobalISel/wmma-gfx12-w64-f16-f32-matrix-modifiers.ll (+1-1) 


``````````diff

diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/clamp-fmed3-const-combine.ll b/llvm/test/CodeGen/AMDGPU/GlobalISel/clamp-fmed3-const-combine.ll
index c7676e9da6f49..ef88a2be47872 100644
--- a/llvm/test/CodeGen/AMDGPU/GlobalISel/clamp-fmed3-const-combine.ll
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/clamp-fmed3-const-combine.ll
@@ -1,6 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc -global-isel -mtriple=amdgcn-amd-mesa3d -mcpu=gfx1010 -verify-machineinstrs < %s | FileCheck -check-prefix=GFX10 %s
-; RUN: llc -global-isel -mtriple=amdgcn-amd-mesa3d -mcpu=gfx1200 -verify-machineinstrs < %s | FileCheck -check-prefix=GFX12 %s
+; RUN: llc -global-isel -mtriple=amdgcn-amd-mesa3d -mcpu=gfx1200 -mattr=-real-true16 -verify-machineinstrs < %s | FileCheck -check-prefix=GFX12 %s
 
 define float @test_fmed3_f32_known_nnan_ieee_true(float %a) #0 {
 ; GFX10-LABEL: test_fmed3_f32_known_nnan_ieee_true:
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/clamp-minmax-const-combine.ll b/llvm/test/CodeGen/AMDGPU/GlobalISel/clamp-minmax-const-combine.ll
index e2e1c1147eeee..ab0de89d3e4e3 100644
--- a/llvm/test/CodeGen/AMDGPU/GlobalISel/clamp-minmax-const-combine.ll
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/clamp-minmax-const-combine.ll
@@ -1,6 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc -global-isel -mtriple=amdgcn-amd-mesa3d -mcpu=gfx1010 -verify-machineinstrs < %s | FileCheck -check-prefix=GFX10 %s
-; RUN: llc -global-isel -mtriple=amdgcn-amd-mesa3d -mcpu=gfx1200 -verify-machineinstrs < %s | FileCheck -check-prefix=GFX12 %s
+; RUN: llc -global-isel -mtriple=amdgcn-amd-mesa3d -mcpu=gfx1200 -mattr=-real-true16 -verify-machineinstrs < %s | FileCheck -check-prefix=GFX12 %s
 
 define float @test_min_max_ValK0_K1_f32(float %a) #0 {
 ; GFX10-LABEL: test_min_max_ValK0_K1_f32:
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/fmed3-min-max-const-combine.ll b/llvm/test/CodeGen/AMDGPU/GlobalISel/fmed3-min-max-const-combine.ll
index 75c4cd53e3bfc..cf0547e112a6b 100644
--- a/llvm/test/CodeGen/AMDGPU/GlobalISel/fmed3-min-max-const-combine.ll
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/fmed3-min-max-const-combine.ll
@@ -1,7 +1,7 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc -global-isel -mtriple=amdgcn-amd-mesa3d -mcpu=gfx1010 -verify-machineinstrs < %s | FileCheck -check-prefix=GFX10 %s
 ; RUN: llc -global-isel -mtriple=amdgcn-amd-mesa3d -mcpu=gfx803 -verify-machineinstrs < %s | FileCheck -check-prefix=GFX8 %s
-; RUN: llc -global-isel -mtriple=amdgcn-amd-mesa3d -mcpu=gfx1200 -verify-machineinstrs < %s | FileCheck -check-prefix=GFX12 %s
+; RUN: llc -global-isel -mtriple=amdgcn-amd-mesa3d -mcpu=gfx1200 -mattr=-real-true16 -verify-machineinstrs < %s | FileCheck -check-prefix=GFX12 %s
 
 define float @test_min_max_ValK0_K1_f32(float %a) #0 {
 ; GFX10-LABEL: test_min_max_ValK0_K1_f32:
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/mul.ll b/llvm/test/CodeGen/AMDGPU/GlobalISel/mul.ll
index f9cb584d27ecc..c1422fe36e4d2 100644
--- a/llvm/test/CodeGen/AMDGPU/GlobalISel/mul.ll
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/mul.ll
@@ -5,7 +5,7 @@
 ; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx1010 -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX10PLUS,GFX10 %s
 ; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx1100 -mattr=+real-true16, -amdgpu-enable-delay-alu=0 -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX10PLUS,GFX11,GFX11-TRUE16 %s
 ; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx1100 -mattr=-real-true16, -amdgpu-enable-delay-alu=0 -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX10PLUS,GFX11,GFX11-FAKE16 %s
-; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx1200 -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX12 %s
+; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx1200 -mattr=-real-true16 -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX12 %s
 
 define amdgpu_ps i16 @s_mul_i16(i16 inreg %num, i16 inreg %den) {
 ; GCN-LABEL: s_mul_i16:
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/wmma-gfx12-w32-f16-f32-matrix-modifiers.ll b/llvm/test/CodeGen/AMDGPU/GlobalISel/wmma-gfx12-w32-f16-f32-matrix-modifiers.ll
index e12ac25867adb..cc1c93a8faf64 100644
--- a/llvm/test/CodeGen/AMDGPU/GlobalISel/wmma-gfx12-w32-f16-f32-matrix-modifiers.ll
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/wmma-gfx12-w32-f16-f32-matrix-modifiers.ll
@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx1200 -verify-machineinstrs < %s | FileCheck %s --check-prefix=GFX12
+; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx1200 -mattr=-real-true16 -verify-machineinstrs < %s | FileCheck %s --check-prefix=GFX12
 
 define amdgpu_ps void @test_wmma_f32_16x16x16_f16_negA(<8 x half> %A, <8 x half> %B, <8 x float> %C, ptr addrspace(1) %out) {
 ; GFX12-LABEL: test_wmma_f32_16x16x16_f16_negA:
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/wmma-gfx12-w64-f16-f32-matrix-modifiers.ll b/llvm/test/CodeGen/AMDGPU/GlobalISel/wmma-gfx12-w64-f16-f32-matrix-modifiers.ll
index b871ac7976222..f16ea180ebf8c 100644
--- a/llvm/test/CodeGen/AMDGPU/GlobalISel/wmma-gfx12-w64-f16-f32-matrix-modifiers.ll
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/wmma-gfx12-w64-f16-f32-matrix-modifiers.ll
@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
-; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx1200 -mattr=+wavefrontsize64 -verify-machineinstrs < %s | FileCheck %s --check-prefix=GFX12
+; RUN: llc -global-isel -mtriple=amdgcn -mcpu=gfx1200 -mattr=+wavefrontsize64,-real-true16 -verify-machineinstrs < %s | FileCheck %s --check-prefix=GFX12
 
 define amdgpu_ps void @test_wmma_f32_16x16x16_f16_negA(<4 x half> %A, <4 x half> %B, <4 x float> %C, ptr addrspace(1) %out) {
 ; GFX12-LABEL: test_wmma_f32_16x16x16_f16_negA:

``````````

</details>


https://github.com/llvm/llvm-project/pull/141503
