| 1 | // REQUIRES: hexagon-registered-target |
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| 2 | // RUN: %clang_cc1 -emit-llvm -O2 -o - -triple hexagon-unknown-elf %s | FileCheck %s |
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| 3 | |
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| 4 | // The return value should return the value in A[1]. |
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| 5 | // Check that the HexagonBuiltinExpr doesn't evaluate &(*ptr++) twice. If so, |
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| 6 | // the return value will be the value in A[2] |
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| 7 | // CHECK: @brev_ptr_inc |
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| 8 | // CHECK-DAG: llvm.hexagon.L2.loadri.pbr |
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| 9 | // CHECK-DAG: getelementptr{{.*}}i32 1 |
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| 10 | // CHECK-NOT: getelementptr{{.*}}i32 2 |
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| 11 | // CHECK-NOT: getelementptr{{.*}}i32 1 |
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| 12 | int brev_ptr_inc(int A[], int B[]) { |
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| 13 | int *p0 = &B[0]; |
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| 14 | int *p1 = &A[0]; |
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| 15 | __builtin_brev_ldw(p0, &*p1++, 8); |
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| 16 | return (*p1); |
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| 17 | } |
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| 18 | |
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| 19 | // The return value should return the value in A[0]. |
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| 20 | // CHECK: @brev_ptr_dec |
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| 21 | // CHECK: llvm.hexagon.L2.loadri.pbr |
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| 22 | // CHECK: [[RET:%[0-9]+]] = load{{.*}}%A |
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| 23 | // CHECK: ret{{.*}}[[RET]] |
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| 24 | int brev_ptr_dec(int A[], int B[]) { |
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| 25 | int *p0 = &B[0]; |
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| 26 | int *p1 = &A[1]; |
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| 27 | __builtin_brev_ldw(p0, &*p1--, 8); |
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| 28 | return (*p1); |
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| 29 | } |
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| 30 | |
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| 31 | // The store in bitcode needs to be of width correspondng to 16-bit. |
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| 32 | // CHECK: @brev_ptr_half |
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| 33 | // CHECK: llvm.hexagon.L2.loadrh.pbr |
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| 34 | // CHECK: store{{.*}}i16{{.*}}i16* |
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| 35 | short int brev_ptr_half(short int A[], short int B[]) { |
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| 36 | short int *p0 = &B[0]; |
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| 37 | short int *p1 = &A[0]; |
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| 38 | __builtin_brev_ldh(p0, &*p1++, 8); |
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| 39 | return (*p1); |
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| 40 | } |
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| 41 | |
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| 42 | // The store in bitcode needs to be of width correspondng to 8-bit. |
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| 43 | // CHECK: @brev_ptr_byte |
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| 44 | // CHECK: llvm.hexagon.L2.loadrub.pbr |
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| 45 | // CHECK: store{{.*}}i8{{.*}}i8* |
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| 46 | unsigned char brev_ptr_byte(unsigned char A[], unsigned char B[]) { |
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| 47 | unsigned char *p0 = &B[0]; |
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| 48 | unsigned char *p1 = &A[0]; |
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| 49 | __builtin_brev_ldub(p0, &*p1++, 8); |
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| 50 | return (*p1); |
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| 51 | } |
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| 52 | |
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| 53 | |
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