diff options
Diffstat (limited to 'test/CodeGen/ARM/memset-inline.ll')
-rw-r--r-- | test/CodeGen/ARM/memset-inline.ll | 84 |
1 files changed, 74 insertions, 10 deletions
diff --git a/test/CodeGen/ARM/memset-inline.ll b/test/CodeGen/ARM/memset-inline.ll index b86874692aca..b2bd257701d3 100644 --- a/test/CodeGen/ARM/memset-inline.ll +++ b/test/CodeGen/ARM/memset-inline.ll @@ -1,22 +1,36 @@ -; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 -pre-RA-sched=source -disable-post-ra | FileCheck %s +; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 -pre-RA-sched=source -disable-post-ra | FileCheck %s -check-prefix=CHECK-7A +; RUN: llc < %s -mtriple=thumbv6m -pre-RA-sched=source -disable-post-ra -mattr=+strict-align | FileCheck %s -check-prefix=CHECK-6M define void @t1(i8* nocapture %c) nounwind optsize { entry: -; CHECK-LABEL: t1: -; CHECK: movs r1, #0 -; CHECK: strd r1, r1, [r0] -; CHECK: str r1, [r0, #8] +; CHECK-7A-LABEL: t1: +; CHECK-7A: movs r1, #0 +; CHECK-7A: strd r1, r1, [r0] +; CHECK-7A: str r1, [r0, #8] +; CHECK-6M-LABEL: t1: +; CHECK-6M: movs r1, #0 +; CHECK-6M: str r1, [r0] +; CHECK-6M: str r1, [r0, #4] +; CHECK-6M: str r1, [r0, #8] call void @llvm.memset.p0i8.i64(i8* %c, i8 0, i64 12, i32 8, i1 false) ret void } define void @t2() nounwind ssp { entry: -; CHECK-LABEL: t2: -; CHECK: vmov.i32 {{q[0-9]+}}, #0x0 -; CHECK: movs r1, #10 -; CHECK: vst1.64 {d{{[0-9]+}}, d{{[0-9]+}}}, [r2], r1 -; CHECK: vst1.16 {d{{[0-9]+}}, d{{[0-9]+}}}, [r2] +; CHECK-7A-LABEL: t2: +; CHECK-7A: vmov.i32 {{q[0-9]+}}, #0x0 +; CHECK-7A: movs r1, #10 +; CHECK-7A: vst1.64 {d{{[0-9]+}}, d{{[0-9]+}}}, [r2], r1 +; CHECK-7A: vst1.16 {d{{[0-9]+}}, d{{[0-9]+}}}, [r2] +; CHECK-6M-LABEL: t2: +; CHECK-6M: movs [[REG:r[0-9]+]], #0 +; CHECK-6M: str [[REG]], [sp, #20] +; CHECK-6M: str [[REG]], [sp, #16] +; CHECK-6M: str [[REG]], [sp, #12] +; CHECK-6M: str [[REG]], [sp, #8] +; CHECK-6M: str [[REG]], [sp, #4] +; CHECK-6M: str [[REG]], [sp] %buf = alloca [26 x i8], align 1 %0 = getelementptr inbounds [26 x i8], [26 x i8]* %buf, i32 0, i32 0 call void @llvm.memset.p0i8.i32(i8* %0, i8 0, i32 26, i32 1, i1 false) @@ -24,6 +38,56 @@ entry: ret void } +define void @t3(i8* %p) { +entry: +; CHECK-7A-LABEL: t3: +; CHECK-7A: muls [[REG:r[0-9]+]], +; CHECK-7A: str [[REG]], +; CHECK-6M-LABEL: t3: +; CHECK-6M-NOT: muls +; CHECK-6M: strb [[REG:r[0-9]+]], +; CHECK-6M: strb [[REG]], +; CHECK-6M: strb [[REG]], +; CHECK-6M: strb [[REG]], + br label %for.body + +for.body: + %i = phi i32 [ 0, %entry ], [ %inc, %for.body ] + %0 = trunc i32 %i to i8 + call void @llvm.memset.p0i8.i32(i8* %p, i8 %0, i32 4, i32 1, i1 false) + call void @something(i8* %p) + %inc = add nuw nsw i32 %i, 1 + %exitcond = icmp eq i32 %inc, 255 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret void +} + +define void @t4(i8* %p) { +entry: +; CHECK-7A-LABEL: t4: +; CHECK-7A: muls [[REG:r[0-9]+]], +; CHECK-7A: str [[REG]], +; CHECK-6M-LABEL: t4: +; CHECK-6M: muls [[REG:r[0-9]+]], +; CHECK-6M: strh [[REG]], +; CHECK-6M: strh [[REG]], + br label %for.body + +for.body: + %i = phi i32 [ 0, %entry ], [ %inc, %for.body ] + %0 = trunc i32 %i to i8 + call void @llvm.memset.p0i8.i32(i8* %p, i8 %0, i32 4, i32 2, i1 false) + call void @something(i8* %p) + %inc = add nuw nsw i32 %i, 1 + %exitcond = icmp eq i32 %inc, 255 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret void +} + declare void @something(i8*) nounwind declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind |