| ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -relocation-model=dynamic-no-pic -frame-pointer=all | FileCheck %s |
| ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -relocation-model=pic -frame-pointer=all | FileCheck %s --check-prefix=PIC |
| ; rdar://7353541 |
| ; rdar://7354376 |
| |
| @GV = external global i32 ; <i32*> [#uses=2] |
| |
| define void @t1(i32* nocapture %vals, i32 %c) nounwind { |
| entry: |
| ; CHECK-LABEL: t1: |
| ; CHECK: bxeq lr |
| |
| %0 = icmp eq i32 %c, 0 ; <i1> [#uses=1] |
| br i1 %0, label %return, label %bb.nph |
| |
| bb.nph: ; preds = %entry |
| ; CHECK: movw r[[R2:[0-9]+]], :lower16:L_GV$non_lazy_ptr |
| ; CHECK: movt r[[R2]], :upper16:L_GV$non_lazy_ptr |
| ; CHECK: ldr{{(.w)?}} r[[R2b:[0-9]+]], [r[[R2]] |
| ; CHECK: ldr{{.*}}, [r[[R2b]] |
| ; CHECK: LBB0_ |
| ; CHECK-NOT: LCPI0_0: |
| |
| ; PIC: movw r[[R2:[0-9]+]], :lower16:(L_GV$non_lazy_ptr-(LPC0_0+4)) |
| ; PIC: movt r[[R2]], :upper16:(L_GV$non_lazy_ptr-(LPC0_0+4)) |
| ; PIC: add r[[R2]], pc |
| ; PIC: ldr{{(.w)?}} r[[R2b:[0-9]+]], [r[[R2]] |
| ; PIC: ldr{{.*}}, [r[[R2b]] |
| ; PIC: LBB0_ |
| ; PIC-NOT: LCPI0_0: |
| ; PIC: .section |
| %.pre = load i32, i32* @GV, align 4 ; <i32> [#uses=1] |
| br label %bb |
| |
| bb: ; preds = %bb, %bb.nph |
| %1 = phi i32 [ %.pre, %bb.nph ], [ %3, %bb ] ; <i32> [#uses=1] |
| %i.03 = phi i32 [ 0, %bb.nph ], [ %4, %bb ] ; <i32> [#uses=2] |
| %scevgep = getelementptr i32, i32* %vals, i32 %i.03 ; <i32*> [#uses=1] |
| %2 = load i32, i32* %scevgep, align 4 ; <i32> [#uses=1] |
| %3 = add nsw i32 %1, %2 ; <i32> [#uses=2] |
| store i32 %3, i32* @GV, align 4 |
| %4 = add i32 %i.03, 1 ; <i32> [#uses=2] |
| %exitcond = icmp eq i32 %4, %c ; <i1> [#uses=1] |
| br i1 %exitcond, label %return, label %bb |
| |
| return: ; preds = %bb, %entry |
| ret void |
| } |
| |
| ; rdar://8001136 |
| define void @t2(i8* %ptr1, i8* %ptr2) nounwind { |
| entry: |
| ; CHECK-LABEL: t2: |
| ; CHECK: vmov.f32 q{{.*}}, #1.000000e+00 |
| br i1 undef, label %bb1, label %bb2 |
| |
| bb1: |
| ; CHECK: %bb1 |
| %indvar = phi i32 [ %indvar.next, %bb1 ], [ 0, %entry ] |
| %tmp1 = shl i32 %indvar, 2 |
| %gep1 = getelementptr i8, i8* %ptr1, i32 %tmp1 |
| %tmp2 = call <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8* %gep1, i32 1) |
| %tmp3 = call <4 x float> @llvm.arm.neon.vmaxs.v4f32(<4 x float> <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00>, <4 x float> %tmp2) |
| %gep2 = getelementptr i8, i8* %ptr2, i32 %tmp1 |
| call void @llvm.arm.neon.vst1.p0i8.v4f32(i8* %gep2, <4 x float> %tmp3, i32 1) |
| %indvar.next = add i32 %indvar, 1 |
| %cond = icmp eq i32 %indvar.next, 10 |
| br i1 %cond, label %bb2, label %bb1 |
| |
| bb2: |
| ret void |
| } |
| |
| ; CHECK-NOT: LCPI1_0: |
| |
| declare <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8*, i32) nounwind readonly |
| |
| declare void @llvm.arm.neon.vst1.p0i8.v4f32(i8*, <4 x float>, i32) nounwind |
| |
| declare <4 x float> @llvm.arm.neon.vmaxs.v4f32(<4 x float>, <4 x float>) nounwind readnone |
| |
| ; rdar://8241368 |
| ; isel should not fold immediate into eor's which would have prevented LICM. |
| define zeroext i16 @t3(i8 zeroext %data, i16 zeroext %crc) nounwind readnone { |
| ; CHECK-LABEL: t3: |
| bb.nph: |
| ; CHECK: bb.nph |
| ; CHECK: movw {{(r[0-9]+)|(lr)}}, #32768 |
| ; CHECK: movs {{(r[0-9]+)|(lr)}}, #0 |
| ; CHECK: movw [[REGISTER:(r[0-9]+)|(lr)]], #16386 |
| ; CHECK: movt {{(r[0-9]+)|(lr)}}, #65535 |
| br label %bb |
| |
| bb: ; preds = %bb, %bb.nph |
| ; CHECK: bb |
| ; CHECK: eor.w |
| ; CHECK: eorne.w {{(r[0-9])|(lr)}}, {{(r[0-9])|(lr)}}, [[REGISTER]] |
| ; CHECK-NOT: eor |
| %data_addr.013 = phi i8 [ %data, %bb.nph ], [ %8, %bb ] ; <i8> [#uses=2] |
| %crc_addr.112 = phi i16 [ %crc, %bb.nph ], [ %crc_addr.2, %bb ] ; <i16> [#uses=3] |
| %i.011 = phi i8 [ 0, %bb.nph ], [ %7, %bb ] ; <i8> [#uses=1] |
| %0 = trunc i16 %crc_addr.112 to i8 ; <i8> [#uses=1] |
| %1 = xor i8 %data_addr.013, %0 ; <i8> [#uses=1] |
| %2 = and i8 %1, 1 ; <i8> [#uses=1] |
| %3 = icmp eq i8 %2, 0 ; <i1> [#uses=2] |
| %4 = xor i16 %crc_addr.112, 16386 ; <i16> [#uses=1] |
| %crc_addr.0 = select i1 %3, i16 %crc_addr.112, i16 %4 ; <i16> [#uses=1] |
| %5 = lshr i16 %crc_addr.0, 1 ; <i16> [#uses=2] |
| %6 = or i16 %5, -32768 ; <i16> [#uses=1] |
| %crc_addr.2 = select i1 %3, i16 %5, i16 %6 ; <i16> [#uses=2] |
| %7 = add i8 %i.011, 1 ; <i8> [#uses=2] |
| %8 = lshr i8 %data_addr.013, 1 ; <i8> [#uses=1] |
| %exitcond = icmp eq i8 %7, 8 ; <i1> [#uses=1] |
| br i1 %exitcond, label %bb8, label %bb |
| |
| bb8: ; preds = %bb |
| ret i16 %crc_addr.2 |
| } |