codegen test

Author: spall

clang/test/CodeGenHLSL/BasicFeatures/SplatCast.hlsl

@@ -0,0 +1,87 @@
+// RUN: %clang_cc1 -finclude-default-header -triple dxil-pc-shadermodel6.3-library -x hlsl -emit-llvm -disable-llvm-passes -o - %s | FileCheck %s
+
+// array splat
+// CHECK-LABEL: define void {{.*}}call4
+// CHECK: [[B:%.*]] = alloca [2 x i32], align 4
+// CHECK-NEXT: call void @llvm.memcpy.p0.p0.i32(ptr align 4 [[B]], ptr align 4 {{.*}}, i32 8, i1 false)
+// CHECK-NEXT: [[G1:%.*]] = getelementptr inbounds [2 x i32], ptr [[B]], i32 0
+// CHECK-NEXT: [[G2:%.*]] = getelementptr inbounds [2 x i32], ptr [[B]], i32 1
+// CHECK-NEXT: store i32 3, ptr [[G1]], align 4
+// CHECK-NEXT: store i32 3, ptr [[G2]], align 4
+export void call4() {
+  int B[2] = {1,2};
+  B = (int[2])3;
+}
+
+// splat from vector of length 1
+// CHECK-LABEL: define void {{.*}}call8
+// CHECK: [[A:%.*]] = alloca <1 x i32>, align 4
+// CHECK-NEXT: [[B:%.*]] = alloca [2 x i32], align 4
+// CHECK-NEXT: store <1 x i32> splat (i32 1), ptr [[A]], align 4
+// CHECK-NEXT: call void @llvm.memcpy.p0.p0.i32(ptr align 4 [[B]], ptr align 4 {{.*}}, i32 8, i1 false)
+// CHECK-NEXT: [[L:%.*]] = load <1 x i32>, ptr [[A]], align 4
+// CHECK-NEXT: [[G1:%.*]] = getelementptr inbounds [2 x i32], ptr [[B]], i32 0
+// CHECK-NEXT: [[G2:%.*]] = getelementptr inbounds [2 x i32], ptr [[B]], i32 1
+// CHECK-NEXT: [[VL:%.*]] = extractelement <1 x i32> [[L]], i64 0
+// CHECK-NEXT: store i32 [[VL]], ptr [[G1]], align 4
+// CHECK-NEXT: store i32 [[VL]], ptr [[G2]], align 4
+export void call8() {
+  int1 A = {1};
+  int B[2] = {1,2};
+  B = (int[2])A;
+}
+
+// vector splat from vector of length 1
+// CHECK-LABEL: define void {{.*}}call1
+// CHECK: [[B:%.*]] = alloca <1 x float>, align 4
+// CHECK-NEXT: [[A:%.*]] = alloca <4 x i32>, align 16
+// CHECK-NEXT: store <1 x float> splat (float 1.000000e+00), ptr [[B]], align 4
+// CHECK-NEXT: [[L:%.*]] = load <1 x float>, ptr [[B]], align 4
+// CHECK-NEXT: [[VL:%.*]] = extractelement <1 x float> [[L]], i64 0
+// CHECK-NEXT: [[C:%.*]] = fptosi float [[VL]] to i32
+// CHECK-NEXT: [[SI:%.*]] = insertelement <4 x i32> poison, i32 [[C]], i64 0
+// CHECK-NEXT: [[S:%.*]] = shufflevector <4 x i32> [[SI]], <4 x i32> poison, <4 x i32> zeroinitializer
+// CHECK-NEXT: store <4 x i32> [[S]], ptr [[A]], align 16
+export void call1() {
+  float1 B = {1.0};
+  int4 A = (int4)B;
+}
+
+struct S {
+  int X;
+  float Y;
+};
+
+// struct splats?
+// CHECK-LABEL: define void {{.*}}call3
+// CHECK: [[A:%.*]] = alloca <1 x i32>, align 4
+// CHECK: [[s:%.*]] = alloca %struct.S, align 4
+// CHECK-NEXT: store <1 x i32> splat (i32 1), ptr [[A]], align 4
+// CHECK-NEXT: [[L:%.*]] = load <1 x i32>, ptr [[A]], align 4
+// CHECK-NEXT: [[G1:%.*]] = getelementptr inbounds %struct.S, ptr [[s]], i32 0
+// CHECK-NEXT: [[G2:%.*]] = getelementptr inbounds %struct.S, ptr [[s]], i32 1
+// CHECK-NEXT: [[VL:%.*]] = extractelement <1 x i32> [[L]], i64 0
+// CHECK-NEXT: store i32 [[VL]], ptr [[G1]], align 4
+// CHECK-NEXT: [[C:%.*]] = sitofp i32 [[VL]] to float
+// CHECK-NEXT: store float [[C]], ptr [[G2]], align 4
+export void call3() {
+  int1 A = {1};
+  S s = (S)A;
+}
+
+// struct splat from vector of length 1
+// CHECK-LABEL: define void {{.*}}call5
+// CHECK: [[A:%.*]] = alloca <1 x i32>, align 4
+// CHECK-NEXT: [[s:%.*]] = alloca %struct.S, align 4
+// CHECK-NEXT: store <1 x i32> splat (i32 1), ptr [[A]], align 4
+// CHECK-NEXT: [[L:%.*]] = load <1 x i32>, ptr [[A]], align 4
+// CHECK-NEXT: [[G1:%.*]] = getelementptr inbounds %struct.S, ptr [[s]], i32 0
+// CHECK-NEXT: [[G2:%.*]] = getelementptr inbounds %struct.S, ptr [[s]], i32 1
+// CHECK-NEXT: [[VL:%.*]] = extractelement <1 x i32> [[L]], i64 0
+// CHECK-NEXT: store i32 [[VL]], ptr [[G1]], align 4
+// CHECK-NEXT: [[C:%.*]] = sitofp i32 [[VL]] to float
+// CHECK-NEXT: store float [[C]], ptr [[G2]], align 4
+export void call5() {
+  int1 A = {1};
+  S s = (S)A;
+}