[clang] [llvm] [DirectX] Set Shader Flag DisableOptimizations (PR #126813)

[Justin Bogner via llvm-commits]

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@@ -0,0 +1,43 @@
+; RUN: opt -S --passes="print-dx-shader-flags" 2>&1 %s | FileCheck %s
+
+
+; CHECK: ; Combined Shader Flags for Module
+; CHECK-NEXT: ; Shader Flags Value: 0x00000001
+
+; CHECK: ; Note: extra DXIL module flags:
+; CHECK-NEXT: ;       D3D11_1_SB_GLOBAL_FLAG_SKIP_OPTIMIZATION
+
+; CHECK: ; Shader Flags for Module Functions
+; CHECK: ; Function main : 0x00000000
+; The test source in this file generated from the following command:
+; clang -cc1 -triple dxil-pc-shadermodel6.0-compute -x hlsl -emit-llvm -O0 -o - <<EOF
+; [numthreads(1,1,1)]
+; [shader("compute")]
+; void main() {}
+; EOF
+
+; ModuleID = '-'
+source_filename = "-"
+target datalayout = "e-m:e-p:32:32-i1:32-i8:8-i16:16-i32:32-i64:64-f16:16-f32:32-f64:64-n8:16:32:64"
+target triple = "dxilv1.0-pc-shadermodel6.0-compute"
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bogner wrote:

Best to remove these when they aren't relevant to the test at hand.

https://github.com/llvm/llvm-project/pull/126813