diff options
Diffstat (limited to 'llvm/test/CodeGen/AVR')
| -rw-r--r-- | llvm/test/CodeGen/AVR/std-ldd-immediate-overflow.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AVR/std-ldd-immediate-overflow.ll b/llvm/test/CodeGen/AVR/std-ldd-immediate-overflow.ll new file mode 100644 index 00000000000..290e349c534 --- /dev/null +++ b/llvm/test/CodeGen/AVR/std-ldd-immediate-overflow.ll @@ -0,0 +1,18 @@ +; RUN: llc -O0 < %s -march=avr | FileCheck %s + +define i32 @std_ldd_overflow() { + %src = alloca [4 x i8] + %dst = alloca [4 x i8] + %buf = alloca [28 x i16] + %1 = bitcast [4 x i8]* %src to i32* + store i32 0, i32 *%1 + %2 = bitcast [4 x i8]* %dst to i8* + %3 = bitcast [4 x i8]* %src to i8* + call void @llvm.memcpy.p0i8.p0i8.i16(i8* %2, i8* %3, i16 4, i32 1, i1 false) +; CHECK-NOT: std {{[XYZ]}}+64, {{r[0-9]+}} +; CHECK-NOT: ldd {{r[0-9]+}}, {{[XYZ]}}+64 + + ret i32 0 +} + +declare void @llvm.memcpy.p0i8.p0i8.i16(i8* nocapture writeonly, i8* nocapture readonly, i16, i32, i1) |
