Home | History | Annotate | Download | only in CodeGen
      1 // RUN: %clang_cc1 -triple armv7s-linux-gnu -emit-llvm -o - %s \
      2 // RUN:     -target-feature +neon -target-cpu cortex-a8 \
      3 // RUN:     -fsanitize=signed-integer-overflow \
      4 // RUN:   | FileCheck %s --check-prefix=CHECK --check-prefix=ARMV7
      5 
      6 // RUN: %clang_cc1 -triple aarch64-unknown-unknown -emit-llvm -o - %s \
      7 // RUN:     -target-feature +neon -target-cpu cortex-a53 \
      8 // RUN:     -fsanitize=signed-integer-overflow \
      9 // RUN:   | FileCheck %s --check-prefix=CHECK --check-prefix=AARCH64
     10 
     11 // Verify we emit constants for "immediate" builtin arguments.
     12 // Emitting a scalar expression can make the immediate be generated as
     13 // overflow intrinsics, if the overflow sanitizer is enabled.
     14 
     15 // PR23517
     16 
     17 #include <arm_neon.h>
     18 
     19 int32x2_t test_vqrshrn_n_s64(int64x2_t a) {
     20   // CHECK-LABEL: @test_vqrshrn_n_s64
     21   // CHECK-AARCH64: call <2 x i32> @llvm.aarch64.neon.sqrshrn.v2i32(<2 x i64> {{.*}}, i32 1)
     22   // CHECK-ARMV7: call <2 x i32> @llvm.arm.neon.vqrshiftns.v2i32(<2 x i64> {{.*}}, <2 x i64> <i64 -1, i64 -1>)
     23   return vqrshrn_n_s64(a, 0 + 1);
     24 }
     25