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Diffstat (limited to 'test/CodeGen/ARM/2013-05-31-char-shift-crash.ll')
| -rw-r--r-- | test/CodeGen/ARM/2013-05-31-char-shift-crash.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/2013-05-31-char-shift-crash.ll b/test/CodeGen/ARM/2013-05-31-char-shift-crash.ll new file mode 100644 index 0000000000000..0130f7ab68f55 --- /dev/null +++ b/test/CodeGen/ARM/2013-05-31-char-shift-crash.ll @@ -0,0 +1,21 @@ +; RUN: llc < %s -O0 -mtriple=armv4t--linux-eabi-android +; RUN: llc < %s -O0 -mtriple=armv4t-unknown-linux +; RUN: llc < %s -O0 -mtriple=armv5-unknown-linux + +; See http://llvm.org/bugs/show_bug.cgi?id=16178 +; ARMFastISel used to fail emitting sext/zext in pre-ARMv6. + +; Function Attrs: nounwind +define arm_aapcscc void @f2(i8 signext %a) #0 { +entry: + %a.addr = alloca i8, align 1 + store i8 %a, i8* %a.addr, align 1 + %0 = load i8* %a.addr, align 1 + %conv = sext i8 %0 to i32 + %shr = ashr i32 %conv, 56 + %conv1 = trunc i32 %shr to i8 + call arm_aapcscc void @f1(i8 signext %conv1) + ret void +} + +declare arm_aapcscc void @f1(i8 signext) #1 |