AMDGPU: Drop and upgrade llvm.amdgcn.atomic.csub/cond.sub to atomicrmw (#105553)HEADmain

These both perform conditional subtraction, returning the minuend and
zero respectively, if the difference is negative.

1 files changed, 0 insertions, 57 deletions

diff --git a/llvm/test/Analysis/UniformityAnalysis/AMDGPU/atomics.ll b/llvm/test/Analysis/UniformityAnalysis/AMDGPU/atomics.ll
index 15355ea..d9e51c3 100644
--- a/llvm/test/Analysis/UniformityAnalysis/AMDGPU/atomics.ll
+++ b/llvm/test/Analysis/UniformityAnalysis/AMDGPU/atomics.ll
@@ -15,62 +15,5 @@ define amdgpu_kernel void @test2(ptr %ptr, i32 %cmp, i32 %new) {
   ret void
 }
 
-; CHECK: DIVERGENT: %ret = call i32 @llvm.amdgcn.global.atomic.csub.p1(ptr addrspace(1) %ptr, i32 %val)
-define amdgpu_kernel void @test_atomic_csub_i32(ptr addrspace(1) %ptr, i32 %val) #0 {
-  %ret = call i32 @llvm.amdgcn.global.atomic.csub.p1(ptr addrspace(1) %ptr, i32 %val)
-  store i32 %ret, ptr addrspace(1) %ptr, align 4
-  ret void
-}
-
-; CHECK: DIVERGENT: %val = call i32 @llvm.amdgcn.atomic.cond.sub.u32.p3(ptr addrspace(3) %gep, i32 %in)
-define amdgpu_kernel void @test_ds_atomic_cond_sub_rtn_u32(ptr addrspace(3) %addr, i32 %in, ptr addrspace(3) %use) #0 {
-entry:
-  %gep = getelementptr i32, ptr addrspace(3) %addr, i32 4
-  %val = call i32 @llvm.amdgcn.atomic.cond.sub.u32.p3(ptr addrspace(3) %gep, i32 %in)
-  store i32 %val, ptr addrspace(3) %use
-  ret void
-}
-
-; CHECK: DIVERGENT: %val = call i32 @llvm.amdgcn.atomic.cond.sub.u32.p0(ptr %gep, i32 %in)
-define amdgpu_kernel void @test_flat_atomic_cond_sub_u32(ptr %addr, i32 %in, ptr %use) #0 {
-entry:
-  %gep = getelementptr i32, ptr %addr, i32 4
-  %val = call i32 @llvm.amdgcn.atomic.cond.sub.u32.p0(ptr %gep, i32 %in)
-  store i32 %val, ptr %use
-  ret void
-}
-
-; CHECK: DIVERGENT: %val = call i32 @llvm.amdgcn.atomic.cond.sub.u32.p1(ptr addrspace(1) %gep, i32 %in)
-define amdgpu_kernel void @test_global_atomic_cond_u32(ptr addrspace(1) %addr, i32 %in, ptr addrspace(1) %use) #0 {
-entry:
-  %gep = getelementptr i32, ptr addrspace(1) %addr, i32 4
-  %val = call i32 @llvm.amdgcn.atomic.cond.sub.u32.p1(ptr addrspace(1) %gep, i32 %in)
-  store i32 %val, ptr addrspace(1) %use
-  ret void
-}
-
-; CHECK: DIVERGENT: %orig = call i32 @llvm.amdgcn.raw.buffer.atomic.cond.sub.u32.i32(i32 %data, <4 x i32> %rsrc, i32 0, i32 0, i32 0)
-define float @test_raw_buffer_atomic_cond_sub_u32(<4 x i32> inreg %rsrc, i32 inreg %data) #0 {
-entry:
-  %orig = call i32 @llvm.amdgcn.raw.buffer.atomic.cond.sub.u32.i32(i32 %data, <4 x i32> %rsrc, i32 0, i32 0, i32 0)
-  %r = bitcast i32 %orig to float
-  ret float %r
-}
-
-; CHECK: DIVERGENT: %orig = call i32 @llvm.amdgcn.struct.buffer.atomic.cond.sub.u32.i32(i32 %data, <4 x i32> %rsrc, i32 0, i32 0, i32 0, i32 0)
-define float @test_struct_buffer_atomic_cond_sub_u32(<4 x i32> inreg %rsrc, i32 inreg %data) #0 {
-entry:
-  %orig = call i32 @llvm.amdgcn.struct.buffer.atomic.cond.sub.u32.i32(i32 %data, <4 x i32> %rsrc, i32 0, i32 0, i32 0, i32 0)
-  %r = bitcast i32 %orig to float
-  ret float %r
-}
-
-declare i32 @llvm.amdgcn.global.atomic.csub.p1(ptr addrspace(1) nocapture, i32) #1
-declare i32 @llvm.amdgcn.atomic.cond.sub.u32.p3(ptr addrspace(3), i32) #1
-declare i32 @llvm.amdgcn.atomic.cond.sub.u32.p0(ptr, i32) #1
-declare i32 @llvm.amdgcn.atomic.cond.sub.u32.p1(ptr addrspace(1), i32) #1
-declare i32 @llvm.amdgcn.raw.buffer.atomic.cond.sub.u32.i32(i32, <4 x i32>, i32, i32, i32) #1
-declare i32 @llvm.amdgcn.struct.buffer.atomic.cond.sub.u32.i32(i32, <4 x i32>, i32, i32, i32, i32) #1
-
 attributes #0 = { nounwind }
 attributes #1 = { argmemonly nounwind willreturn }