[clang] [llvm] [SPIRV] Add size optimisation for AMDGCN flavoured SPIR-V (PR #228188)

[Alex Voicu via cfe-commits]

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+// RUN: %clang_cc1 -O0 -triple spirv64-amd-amdhsa -disable-llvm-passes -emit-llvm-bc -o /dev/null -fdebug-pass-manager %s 2>&1 | FileCheck %s --check-prefix=O0
+// RUN: %clang_cc1 -O0 -triple spirv64-amd-amdhsa -disable-llvm-passes -emit-llvm-bc -fenable-spirv-size-optimization -o /dev/null -fdebug-pass-manager %s 2>&1 | FileCheck %s --check-prefix=O0
+// RUN: %clang_cc1 -O1 -triple spirv64-amd-amdhsa -disable-llvm-passes -emit-llvm-bc -o /dev/null -fdebug-pass-manager %s 2>&1 | FileCheck %s --check-prefix=O0
+// RUN: %clang_cc1 -O2 -triple spirv64-amd-amdhsa -disable-llvm-passes -emit-llvm-bc -o /dev/null -fdebug-pass-manager %s 2>&1 | FileCheck %s --check-prefix=O0
+// RUN: %clang_cc1 -O3 -triple spirv64-amd-amdhsa -disable-llvm-passes -emit-llvm-bc -o /dev/null -fdebug-pass-manager %s 2>&1 | FileCheck %s --check-prefix=O0
+// RUN: %clang_cc1 -Og -triple spirv64-amd-amdhsa -disable-llvm-passes -emit-llvm-bc -o /dev/null -fdebug-pass-manager %s 2>&1 | FileCheck %s --check-prefix=O0
+// RUN: %clang_cc1 -Os -triple spirv64-amd-amdhsa -disable-llvm-passes -emit-llvm-bc -o /dev/null -fdebug-pass-manager %s 2>&1 | FileCheck %s --check-prefix=O0
+// RUN: %clang_cc1 -Oz -triple spirv64-amd-amdhsa -disable-llvm-passes -emit-llvm-bc -o /dev/null -fdebug-pass-manager %s 2>&1 | FileCheck %s --check-prefix=O0
+// RUN: %clang_cc1 -O1 -triple spirv64-amd-amdhsa -disable-llvm-passes -emit-llvm-bc -fenable-spirv-size-optimization -o /dev/null -fdebug-pass-manager %s 2>&1 | FileCheck %s --check-prefix=O
+// RUN: %clang_cc1 -O2 -triple spirv64-amd-amdhsa -disable-llvm-passes -emit-llvm-bc -fenable-spirv-size-optimization -o /dev/null -fdebug-pass-manager %s 2>&1 | FileCheck %s --check-prefix=O
+// RUN: %clang_cc1 -O3 -triple spirv64-amd-amdhsa -disable-llvm-passes -emit-llvm-bc -fenable-spirv-size-optimization -o /dev/null -fdebug-pass-manager %s 2>&1 | FileCheck %s --check-prefix=O
+// RUN: %clang_cc1 -Og -triple spirv64-amd-amdhsa -disable-llvm-passes -emit-llvm-bc -fenable-spirv-size-optimization -o /dev/null -fdebug-pass-manager %s 2>&1 | FileCheck %s --check-prefix=O
+// RUN: %clang_cc1 -Os -triple spirv64-amd-amdhsa -disable-llvm-passes -emit-llvm-bc -fenable-spirv-size-optimization -o /dev/null -fdebug-pass-manager %s 2>&1 | FileCheck %s --check-prefix=O
+// RUN: %clang_cc1 -Oz -triple spirv64-amd-amdhsa -disable-llvm-passes -emit-llvm-bc -fenable-spirv-size-optimization -o /dev/null -fdebug-pass-manager %s 2>&1 | FileCheck %s --check-prefix=O
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AlexVlx wrote:

See below, at most we can check that an error is generated if attempting that.

https://github.com/llvm/llvm-project/pull/228188