[Clang][LoongArch] Fix wrong return value type of __iocsrrd_h

[wangleiat]

relate:
https://gcc.gnu.org/pipermail/gcc-patches/2024-February/645016.html

[llvmbot]

@llvm/pr-subscribers-backend-loongarch
@llvm/pr-subscribers-backend-x86

@llvm/pr-subscribers-clang

Author: wanglei (wangleiat)

Changes

relate:
https://gcc.gnu.org/pipermail/gcc-patches/2024-February/645016.html

---

Full diff: https://github.com/llvm/llvm-project/pull/84100.diff

3 Files Affected:

• (modified) clang/lib/Headers/larchintrin.h (+1-1)
• (modified) clang/test/CodeGen/LoongArch/intrinsic-la32.c (+4-4)
• (modified) clang/test/CodeGen/LoongArch/intrinsic-la64.c (+4-4)

diff --git a/clang/lib/Headers/larchintrin.h b/clang/lib/Headers/larchintrin.h index a613e5ca0e5ecd..f4218295919a0d 100644 --- a/clang/lib/Headers/larchintrin.h +++ b/clang/lib/Headers/larchintrin.h @@ -156,7 +156,7 @@ extern __inline unsigned char return (unsigned char)__builtin_loongarch_iocsrrd_b((unsigned int)_1); } -extern __inline unsigned char +extern __inline unsigned short __attribute__((__gnu_inline__, __always_inline__, __artificial__)) __iocsrrd_h(unsigned int _1) { return (unsigned short)__builtin_loongarch_iocsrrd_h((unsigned int)_1); diff --git a/clang/test/CodeGen/LoongArch/intrinsic-la32.c b/clang/test/CodeGen/LoongArch/intrinsic-la32.c index 6a8d99880be399..eb3f8cbe7ac4cc 100644 --- a/clang/test/CodeGen/LoongArch/intrinsic-la32.c +++ b/clang/test/CodeGen/LoongArch/intrinsic-la32.c @@ -215,11 +215,11 @@ void cacop_w(unsigned long int a) { // LA32-LABEL: @iocsrrd_h_result( // LA32-NEXT: entry: // LA32-NEXT: [[TMP0:%.*]] = tail call i32 @llvm.loongarch.iocsrrd.h(i32 [[A:%.*]]) +// LA32-NEXT: [[CONV_I:%.*]] = trunc i32 [[TMP0]] to i16 // LA32-NEXT: [[TMP1:%.*]] = tail call i32 @llvm.loongarch.iocsrrd.h(i32 [[A]]) -// LA32-NEXT: [[CONV2:%.*]] = and i32 [[TMP0]], 255 -// LA32-NEXT: [[ADD:%.*]] = add i32 [[TMP1]], [[CONV2]] -// LA32-NEXT: [[CONV4:%.*]] = trunc i32 [[ADD]] to i16 -// LA32-NEXT: ret i16 [[CONV4]] +// LA32-NEXT: [[TMP2:%.*]] = trunc i32 [[TMP1]] to i16 +// LA32-NEXT: [[CONV3:%.*]] = add i16 [[TMP2]], [[CONV_I]] +// LA32-NEXT: ret i16 [[CONV3]] // unsigned short iocsrrd_h_result(unsigned int a) { unsigned short b = __iocsrrd_h(a); diff --git a/clang/test/CodeGen/LoongArch/intrinsic-la64.c b/clang/test/CodeGen/LoongArch/intrinsic-la64.c index 48b6a7a3d22704..50ec358f546ec0 100644 --- a/clang/test/CodeGen/LoongArch/intrinsic-la64.c +++ b/clang/test/CodeGen/LoongArch/intrinsic-la64.c @@ -431,11 +431,11 @@ void loongarch_movgr2fcsr(int a) { // CHECK-LABEL: @iocsrrd_h_result( // CHECK-NEXT: entry: // CHECK-NEXT: [[TMP0:%.*]] = tail call i32 @llvm.loongarch.iocsrrd.h(i32 [[A:%.*]]) +// CHECK-NEXT: [[CONV_I:%.*]] = trunc i32 [[TMP0]] to i16 // CHECK-NEXT: [[TMP1:%.*]] = tail call i32 @llvm.loongarch.iocsrrd.h(i32 [[A]]) -// CHECK-NEXT: [[CONV2:%.*]] = and i32 [[TMP0]], 255 -// CHECK-NEXT: [[ADD:%.*]] = add i32 [[TMP1]], [[CONV2]] -// CHECK-NEXT: [[CONV4:%.*]] = trunc i32 [[ADD]] to i16 -// CHECK-NEXT: ret i16 [[CONV4]] +// CHECK-NEXT: [[TMP2:%.*]] = trunc i32 [[TMP1]] to i16 +// CHECK-NEXT: [[CONV3:%.*]] = add i16 [[TMP2]], [[CONV_I]] +// CHECK-NEXT: ret i16 [[CONV3]] // unsigned short iocsrrd_h_result(unsigned int a) { unsigned short b = __iocsrrd_h(a);