================
@@ -0,0 +1,54 @@
+; RUN: opt -S -dxil-intrinsic-expansion -scalarizer -dxil-op-lower
-mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s
+
+; Make sure dxil op function calls for degrees are expanded and lowered as
fmul for float and half.
+
+define noundef half @degrees_half(half noundef %a) {
+; CHECK-LABEL: define noundef half @degrees_half(
+; CHECK-SAME: half noundef [[A:%.*]]) {
+; CHECK-NEXT: [[ENTRY:.*:]]
+; CHECK-NEXT: [[DX_DEGREES1:%.*]] = fmul half [[A]], 0xH5329
+; CHECK-NEXT: ret half [[DX_DEGREES1]]
+;
+entry:
+ %dx.degrees = call half @llvm.dx.degrees.f16(half %a)
+ ret half %dx.degrees
+}
+
+define noundef float @degrees_float(float noundef %a) #0 {
+; CHECK-LABEL: define noundef float @degrees_float(
+; CHECK-SAME: float noundef [[A:%.*]]) {
+; CHECK-NEXT: [[ENTRY:.*:]]
+; CHECK-NEXT: [[DX_DEGREES1:%.*]] = fmul float [[A]], 0x404CA5DC20000000
+; CHECK-NEXT: ret float [[DX_DEGREES1]]
+;
+entry:
+ %dx.degrees = call float @llvm.dx.degrees.f32(float %a)
+ ret float %dx.degrees
+}
+
+define noundef <4 x float> @degrees_float4(<4 x float> noundef %a) #0 {
+; CHECK-LABEL: define noundef <4 x float> @degrees_float4(
+; CHECK-SAME: <4 x float> noundef [[A:%.*]]) {
+; CHECK-NEXT: [[ENTRY:.*:]]
+; CHECK-NEXT: [[A_I0:%.*]] = extractelement <4 x float> [[A]], i64 0
+; CHECK-NEXT: [[DOTI04:%.*]] = fmul float [[A_I0]], 0x404CA5DC20000000
+; CHECK-NEXT: [[A_I1:%.*]] = extractelement <4 x float> [[A]], i64 1
+; CHECK-NEXT: [[DOTI13:%.*]] = fmul float [[A_I1]], 0x404CA5DC20000000
+; CHECK-NEXT: [[A_I2:%.*]] = extractelement <4 x float> [[A]], i64 2
+; CHECK-NEXT: [[DOTI22:%.*]] = fmul float [[A_I2]], 0x404CA5DC20000000
+; CHECK-NEXT: [[A_I3:%.*]] = extractelement <4 x float> [[A]], i64 3
+; CHECK-NEXT: [[DOTI31:%.*]] = fmul float [[A_I3]], 0x404CA5DC20000000
+; CHECK-NEXT: [[DOTUPTO0:%.*]] = insertelement <4 x float> poison, float
[[DOTI04]], i64 0
+; CHECK-NEXT: [[DOTUPTO1:%.*]] = insertelement <4 x float> [[DOTUPTO0]],
float [[DOTI13]], i64 1
+; CHECK-NEXT: [[DOTUPTO2:%.*]] = insertelement <4 x float> [[DOTUPTO1]],
float [[DOTI22]], i64 2
+; CHECK-NEXT: [[TMP0:%.*]] = insertelement <4 x float> [[DOTUPTO2]], float
[[DOTI31]], i64 3
----------------
pow2clk wrote:
I don't know what any of these DOTI## variables refer to. It's not harmful,
just confusing to read.
https://github.com/llvm/llvm-project/pull/111209
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