[clang] [HIP][SPIR-V] Enable optimizations for amdgcnspirv target (PR #189383)

[Marcos Maronas via cfe-commits]

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@@ -19,12 +19,12 @@
 
 // RUN: %clang -### --target=spirv64-amd-amdhsa %s 2>&1 \
 // RUN:   | FileCheck %s --check-prefix=INVOCATION
-// INVOCATION: "-cc1" "-triple" "spirv64-amd-amdhsa" {{.*}}"-disable-llvm-optzns" {{.*}} "-o" "[[OUTPUT:.+]]" "-x" "c"
+// INVOCATION: "-cc1" "-triple" "spirv64-amd-amdhsa" {{.*}}"-mllvm" "-vectorize-loops=false"{{.*}} "-o" "[[OUTPUT:.+]]" "-x" "c"
 // INVOCATION: "{{.*}}llvm-link" "-o" "[[LINKED_OUTPUT:.+]]" "[[OUTPUT]]"
 // INVOCATION: "{{.*}}llvm-spirv" "--spirv-max-version=1.6" "--spirv-ext=+all,-SPV_KHR_untyped_pointers" "--spirv-allow-unknown-intrinsics" "--spirv-lower-const-expr" "--spirv-preserve-auxdata" "--spirv-debug-info-version=nonsemantic-shader-200" "[[LINKED_OUTPUT]]" "-o" "a.out"
 
 // RUN: %clang -### -use-spirv-backend --target=spirv64-amd-amdhsa %s 2>&1 \
 // RUN:   | FileCheck %s --check-prefix=INVOCATION-SPIRV-BACKEND
-// INVOCATION-SPIRV-BACKEND: "-cc1" "-triple" "spirv64-amd-amdhsa" {{.*}}"-disable-llvm-optzns" {{.*}} "-o" "[[OUTPUT:.+]]" "-x" "c"
+// INVOCATION-SPIRV-BACKEND: "-cc1" "-triple" "spirv64-amd-amdhsa" {{.*}}"-mllvm" "-vectorize-loops=false"{{.*}} "-o" "[[OUTPUT:.+]]" "-x" "c"
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maarquitos14 wrote:

What about `"-mllvm", "-vectorize-slp=false"`, `"-fno-unroll-loops"` and `"-mllvm", "-interleave-loops=false"`?

https://github.com/llvm/llvm-project/pull/189383