diff options
Diffstat (limited to 'llvm/test/CodeGen/ARM/and-load-combine.ll')
| -rw-r--r-- | llvm/test/CodeGen/ARM/and-load-combine.ll | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/and-load-combine.ll b/llvm/test/CodeGen/ARM/and-load-combine.ll index 8f08909c816..ef6a2ad7603 100644 --- a/llvm/test/CodeGen/ARM/and-load-combine.ll +++ b/llvm/test/CodeGen/ARM/and-load-combine.ll @@ -1549,3 +1549,39 @@ define arm_aapcscc i64 @test26(i64* nocapture %p) { %and = and i64 %1, -281474976710656 ret i64 %and } + +; ARM-LABEL: test27: +; ARM: @ %bb.0: +; ARM-NEXT: ldrb r1, [r0, #1] +; ARM-NEXT: lsl r1, r1, #16 +; ARM-NEXT: str r1, [r0] +; ARM-NEXT: bx lr +; +; ARMEB-LABEL: test27: +; ARMEB: @ %bb.0: +; ARMEB-NEXT: ldrb r1, [r0, #2] +; ARMEB-NEXT: lsl r1, r1, #16 +; ARMEB-NEXT: str r1, [r0] +; ARMEB-NEXT: bx lr +; +; THUMB1-LABEL: test27: +; THUMB1: @ %bb.0: +; THUMB1-NEXT: ldrb r1, [r0, #1] +; THUMB1-NEXT: lsls r1, r1, #16 +; THUMB1-NEXT: str r1, [r0] +; THUMB1-NEXT: bx lr +; +; THUMB2-LABEL: test27: +; THUMB2: @ %bb.0: +; THUMB2-NEXT: ldrb r1, [r0, #1] +; THUMB2-NEXT: lsls r1, r1, #16 +; THUMB2-NEXT: str r1, [r0] +; THUMB2-NEXT: bx lr +define void @test27(i32* nocapture %ptr) { +entry: + %0 = load i32, i32* %ptr, align 4 + %and = and i32 %0, 65280 + %shl = shl i32 %and, 8 + store i32 %shl, i32* %ptr, align 4 + ret void +} |
