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[CIR][NFS] Add test cases for VecShuffle with -1 index #143304

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Jun 9, 2025
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[CIR][NFS] Add test cases for VecShuffle with -1 index #143304

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25 changes: 25 additions & 0 deletions clang/test/CIR/CodeGen/vector-ext.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1116,3 +1116,28 @@ void foo19() {
// OGCG: %[[TMP_A:.*]] = load <4 x i32>, ptr %[[VEC_A]], align 16
// OGCG: %[[TMP_B:.*]] = load <4 x i32>, ptr %[[VEC_B]], align 16
// OGCG: %[[SHUF:.*]] = shufflevector <4 x i32> %[[TMP_A]], <4 x i32> %[[TMP_B]], <4 x i32> <i32 7, i32 5, i32 3, i32 1>

void foo20() {
vi4 a;
vi4 b;
vi4 u = __builtin_shufflevector(a, b, -1, 1, -1, 1);
}

// CIR: %[[VEC_A:.*]] = cir.alloca !cir.vector<4 x !s32i>, !cir.ptr<!cir.vector<4 x !s32i>>, ["a"]
// CIR: %[[VEC_B:.*]] = cir.alloca !cir.vector<4 x !s32i>, !cir.ptr<!cir.vector<4 x !s32i>>, ["b"]
// CIR: %[[TMP_A:.*]] = cir.load{{.*}} %[[VEC_A]] : !cir.ptr<!cir.vector<4 x !s32i>>, !cir.vector<4 x !s32i>
// CIR: %[[TMP_B:.*]] = cir.load{{.*}} %[[VEC_B]] : !cir.ptr<!cir.vector<4 x !s32i>>, !cir.vector<4 x !s32i>
// CIR: %[[SHUF:.*]] = cir.vec.shuffle(%[[TMP_A]], %[[TMP_B]] : !cir.vector<4 x !s32i>) [#cir.int<-1> :
// CIR-SAME: !s64i, #cir.int<1> : !s64i, #cir.int<-1> : !s64i, #cir.int<1> : !s64i] : !cir.vector<4 x !s32i>

// LLVM: %[[VEC_A:.*]] = alloca <4 x i32>, i64 1, align 16
// LLVM: %[[VEC_B:.*]] = alloca <4 x i32>, i64 1, align 16
// LLVM: %[[TMP_A:.*]] = load <4 x i32>, ptr %[[VEC_A]], align 16
// LLVM: %[[TMP_B:.*]] = load <4 x i32>, ptr %[[VEC_B]], align 16
// LLVM: %[[SHUF:.*]] = shufflevector <4 x i32> %[[TMP_A]], <4 x i32> %[[TMP_B]], <4 x i32> <i32 poison, i32 1, i32 poison, i32 1>

// OGCG: %[[VEC_A:.*]] = alloca <4 x i32>, align 16
// OGCG: %[[VEC_B:.*]] = alloca <4 x i32>, align 16
// OGCG: %[[TMP_A:.*]] = load <4 x i32>, ptr %[[VEC_A]], align 16
// OGCG: %[[TMP_B:.*]] = load <4 x i32>, ptr %[[VEC_B]], align 16
// OGCG: %[[SHUF:.*]] = shufflevector <4 x i32> %[[TMP_A]], <4 x i32> %[[TMP_B]], <4 x i32> <i32 poison, i32 1, i32 poison, i32 1>
25 changes: 25 additions & 0 deletions clang/test/CIR/CodeGen/vector.cpp
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Expand Up @@ -1150,3 +1150,28 @@ void foo22() {

// OGCG: %[[VEC_COND:.*]] = icmp ne <4 x i32> {{.*}}, zeroinitializer
// OGCG: %[[RES:.*]] = select <4 x i1> %[[VEC_COND]], <4 x float> {{.*}}, <4 x float> {{.*}}

void foo23() {
vi4 a;
vi4 b;
vi4 u = __builtin_shufflevector(a, b, -1, 1, -1, 1);
}

// CIR: %[[VEC_A:.*]] = cir.alloca !cir.vector<4 x !s32i>, !cir.ptr<!cir.vector<4 x !s32i>>, ["a"]
// CIR: %[[VEC_B:.*]] = cir.alloca !cir.vector<4 x !s32i>, !cir.ptr<!cir.vector<4 x !s32i>>, ["b"]
// CIR: %[[TMP_A:.*]] = cir.load{{.*}} %[[VEC_A]] : !cir.ptr<!cir.vector<4 x !s32i>>, !cir.vector<4 x !s32i>
// CIR: %[[TMP_B:.*]] = cir.load{{.*}} %[[VEC_B]] : !cir.ptr<!cir.vector<4 x !s32i>>, !cir.vector<4 x !s32i>
// CIR: %[[SHUF:.*]] = cir.vec.shuffle(%[[TMP_A]], %[[TMP_B]] : !cir.vector<4 x !s32i>) [#cir.int<-1> :
// CIR-SAME: !s64i, #cir.int<1> : !s64i, #cir.int<-1> : !s64i, #cir.int<1> : !s64i] : !cir.vector<4 x !s32i>

// LLVM: %[[VEC_A:.*]] = alloca <4 x i32>, i64 1, align 16
// LLVM: %[[VEC_B:.*]] = alloca <4 x i32>, i64 1, align 16
// LLVM: %[[TMP_A:.*]] = load <4 x i32>, ptr %[[VEC_A]], align 16
// LLVM: %[[TMP_B:.*]] = load <4 x i32>, ptr %[[VEC_B]], align 16
// LLVM: %[[SHUF:.*]] = shufflevector <4 x i32> %[[TMP_A]], <4 x i32> %[[TMP_B]], <4 x i32> <i32 poison, i32 1, i32 poison, i32 1>

// OGCG: %[[VEC_A:.*]] = alloca <4 x i32>, align 16
// OGCG: %[[VEC_B:.*]] = alloca <4 x i32>, align 16
// OGCG: %[[TMP_A:.*]] = load <4 x i32>, ptr %[[VEC_A]], align 16
// OGCG: %[[TMP_B:.*]] = load <4 x i32>, ptr %[[VEC_B]], align 16
// OGCG: %[[SHUF:.*]] = shufflevector <4 x i32> %[[TMP_A]], <4 x i32> %[[TMP_B]], <4 x i32> <i32 poison, i32 1, i32 poison, i32 1>
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