diff options
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/ARM/pr36577.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/pr36577.ll b/llvm/test/CodeGen/ARM/pr36577.ll new file mode 100644 index 00000000000..2309ce21292 --- /dev/null +++ b/llvm/test/CodeGen/ARM/pr36577.ll @@ -0,0 +1,28 @@ +; RUN: llc -mtriple armv6t2 %s -o - | FileCheck %s +; RUN: llc -mtriple thumbv6t2 %s -o - | FileCheck %s --check-prefix=CHECK-T2 +; RUN: llc -mtriple armv7 %s -o - | FileCheck %s +; RUN: llc -mtriple thumbv7 %s -o - | FileCheck %s --check-prefix=CHECK-T2 +; RUN: llc -mtriple thumbv7m %s -o - | FileCheck %s --check-prefix=CHECK-T2 +; RUN: llc -mtriple thumbv8m.main %s -o - | FileCheck %s --check-prefix=CHECK-T2 + +@a = common dso_local local_unnamed_addr global i16 0, align 2 + +; CHECK-LABEL: pr36577 +; CHECK: ldrh r0, [r0] +; CHECK: bic r0, r1, r0, lsr #5 +; CHECK: mvn r1, #7 +; CHECK: orr r0, r0, r1 +; CHECK-T2: ldrh r0, [r0] +; CHECK-T2: bic.w r0, r1, r0, lsr #5 +; CHECK-T2: orn r0, r0, #7 +define dso_local arm_aapcscc i32** @pr36577() { +entry: + %0 = load i16, i16* @a, align 2 + %1 = lshr i16 %0, 7 + %2 = and i16 %1, 1 + %3 = zext i16 %2 to i32 + %4 = xor i32 %3, -1 + %add.ptr = getelementptr inbounds i32*, i32** null, i32 %4 + ret i32** %add.ptr +} + |
