[llvm] [SPIR-V] Allow intrinsics with aggregate return type to reach GlobalISel (PR #108893)

[Vyacheslav Levytskyy via llvm-commits]

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@@ -0,0 +1,56 @@
+; This test aims to check ability to support "Arithmetic with Overflow" intrinsics
+; in the special case when those intrinsics are being generated by the CodeGenPrepare;
+; pass during translations with optimization (note -O3 in llc arguments).
+
+; RUN: llc -O3 -mtriple=spirv32-unknown-unknown %s -o - | FileCheck %s
+; RUN: %if spirv-tools %{ llc -O3 -mtriple=spirv32-unknown-unknown %s -o - -filetype=obj | spirv-val %}
+
+; RUN: llc -O3 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s
+; RUN: %if spirv-tools %{ llc -O3 -mtriple=spirv64-unknown-unknown %s -o - -filetype=obj | spirv-val %}
+
+; CHECK-DAG: OpName %[[Val:.*]] "math"
+; CHECK-DAG: OpName %[[IsOver:.*]] "ov"
+; CHECK-DAG: %[[Int:.*]] = OpTypeInt 32 0
+; CHECK-DAG: %[[Char:.*]] = OpTypeInt 8 0
+; CHECK-DAG: %[[PtrChar:.*]] = OpTypePointer Generic %[[Char]]
+; CHECK-DAG: %[[Bool:.*]] = OpTypeBool
+; CHECK-DAG: %[[Struct:.*]] = OpTypeStruct %[[Int]] %[[Int]]
+; CHECK-DAG: %[[Const1:.*]] = OpConstant %[[Int]] 1
+; CHECK-DAG: %[[Const42:.*]] = OpConstant %[[Char]] 42
+; CHECK-DAG: %[[Zero:.*]] = OpConstantNull %[[Int]]
+
+; CHECK: OpFunction
+; CHECK: %[[A:.*]] = OpFunctionParameter %[[Int]]
+; CHECK: %[[Ptr:.*]] = OpFunctionParameter %[[PtrChar]]
+; CHECK: %[[#]] = OpLabel
+; CHECK: OpBranch %[[#]]
+; CHECK: %[[#]] = OpLabel
+; CHECK: %[[PhiRes:.*]] = OpPhi %[[Int]] %[[A]] %[[#]] %[[Val]] %[[#]]
+; CHECK: %[[AggRes:.*]] = OpIAddCarry %[[Struct]] %[[PhiRes]] %[[Const1]]
+; CHECK: %[[Val]] = OpCompositeExtract %[[Int]] %[[AggRes]] 0
+; CHECK: %[[Over:.*]] = OpCompositeExtract %[[Int]] %[[AggRes]] 1
+; CHECK: %[[IsOver]] = OpINotEqual %[[Bool:.*]] %[[Over]] %[[Zero]]
+; CHECK: OpBranchConditional %[[IsOver]] %[[#]] %[[#]]
+; CHECK: OpStore %[[Ptr]] %[[Const42]] Aligned 1
+; CHECK: OpBranch %[[#]]
+; CHECK: %[[#]] = OpLabel
+; CHECK: OpReturnValue %[[Val]]
+; CHECK: OpFunctionEnd
+
+define spir_func i32 @foo(i32 %a, ptr addrspace(4) %p) {
+entry:
+  br label %l1
+
+l1:
+  %e = phi i32 [ %a, %entry ], [ %i, %body ]
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VyacheslavLevytskyy wrote:

thank you, changed

https://github.com/llvm/llvm-project/pull/108893