1 files changed, 48 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/med3-no-simplify.ll b/llvm/test/CodeGen/AMDGPU/med3-no-simplify.ll
new file mode 100644
index 00000000000..0d00c9a5e8e
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/med3-no-simplify.ll
@@ -0,0 +1,48 @@
+; RUN: llc -march=amdgcn -verify-machineinstrs -amdgpu-scalar-ir-passes=false < %s | FileCheck -check-prefix=GCN -check-prefix=SICIVI -check-prefix=SI %s
+; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs -amdgpu-scalar-ir-passes=false < %s | FileCheck -check-prefix=GCN -check-prefix=SICIVI -check-prefix=VI %s
+; RUN: llc -march=amdgcn -mcpu=gfx900 -mattr=-flat-for-global -verify-machineinstrs -amdgpu-scalar-ir-passes=false < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 %s
+
+; These tests are split out from umed3.ll and smed3.ll and use the
+; -amdgpu-scalar-ir-passes=false flag, because InstSimplify would constant
+; fold these functions otherwise.
+
+declare i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
+
+; GCN-LABEL: {{^}}v_test_umed3_r_i_i_constant_order_i32:
+; GCN: v_max_u32_e32 v{{[0-9]+}}, 17, v{{[0-9]+}}
+; GCN: v_min_u32_e32 v{{[0-9]+}}, 12, v{{[0-9]+}}
+define amdgpu_kernel void @v_test_umed3_r_i_i_constant_order_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr) #1 {
+  %tid = call i32 @llvm.amdgcn.workitem.id.x()
+  %gep0 = getelementptr i32, i32 addrspace(1)* %aptr, i32 %tid
+  %outgep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
+  %a = load i32, i32 addrspace(1)* %gep0
+
+  %icmp0 = icmp ugt i32 %a, 17
+  %i0 = select i1 %icmp0, i32 %a, i32 17
+
+  %icmp1 = icmp ult i32 %i0, 12
+  %i1 = select i1 %icmp1, i32 %i0, i32 12
+
+  store i32 %i1, i32 addrspace(1)* %outgep
+  ret void
+}
+
+; GCN-LABEL: {{^}}v_test_smed3_r_i_i_constant_order_i32:
+; GCN: v_max_i32_e32 v{{[0-9]+}}, 17, v{{[0-9]+}}
+; GCN: v_min_i32_e32 v{{[0-9]+}}, 12, v{{[0-9]+}}
+define amdgpu_kernel void @v_test_smed3_r_i_i_constant_order_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr) #1 {
+  %tid = call i32 @llvm.amdgcn.workitem.id.x()
+  %gep0 = getelementptr i32, i32 addrspace(1)* %aptr, i32 %tid
+  %outgep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
+  %a = load i32, i32 addrspace(1)* %gep0
+
+  %icmp0 = icmp sgt i32 %a, 17
+  %i0 = select i1 %icmp0, i32 %a, i32 17
+
+  %icmp1 = icmp slt i32 %i0, 12
+  %i1 = select i1 %icmp1, i32 %i0, i32 12
+
+  store i32 %i1, i32 addrspace(1)* %outgep
+  ret void
+}
+