; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -disable-fp-elim | FileCheck %s ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -relocation-model=pic -disable-fp-elim | FileCheck %s --check-prefix=PIC ; rdar://7353541 ; rdar://7354376 ; The generated code is no where near ideal. It's not recognizing the two ; constantpool entries being loaded can be merged into one. @GV = external global i32 ; [#uses=2] define void @t1(i32* nocapture %vals, i32 %c) nounwind { entry: ; CHECK: t1: ; CHECK: cbz %0 = icmp eq i32 %c, 0 ; [#uses=1] br i1 %0, label %return, label %bb.nph bb.nph: ; preds = %entry ; CHECK: BB#1 ; CHECK: ldr.n r2, LCPI0_0 ; CHECK: ldr r2, [r2] ; CHECK: ldr r3, [r2] ; CHECK: LBB0_2 ; CHECK: LCPI0_0: ; CHECK-NOT: LCPI0_1: ; PIC: BB#1 ; PIC: ldr.n r2, LCPI0_0 ; PIC: add r2, pc ; PIC: ldr r2, [r2] ; PIC: ldr r3, [r2] ; PIC: LBB0_2 ; PIC: LCPI0_0: ; PIC-NOT: LCPI0_1: ; PIC: .section %.pre = load i32* @GV, align 4 ; [#uses=1] br label %bb bb: ; preds = %bb, %bb.nph %1 = phi i32 [ %.pre, %bb.nph ], [ %3, %bb ] ; [#uses=1] %i.03 = phi i32 [ 0, %bb.nph ], [ %4, %bb ] ; [#uses=2] %scevgep = getelementptr i32* %vals, i32 %i.03 ; [#uses=1] %2 = load i32* %scevgep, align 4 ; [#uses=1] %3 = add nsw i32 %1, %2 ; [#uses=2] store i32 %3, i32* @GV, align 4 %4 = add i32 %i.03, 1 ; [#uses=2] %exitcond = icmp eq i32 %4, %c ; [#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: t2: ; CHECK: adr r{{.}}, #LCPI1_0 ; CHECK: vldmia r3, {d0,d1} br i1 undef, label %bb1, label %bb2 bb1: ; CHECK-NEXT: %bb1 %indvar = phi i32 [ %indvar.next, %bb1 ], [ 0, %entry ] %tmp1 = shl i32 %indvar, 2 %gep1 = getelementptr i8* %ptr1, i32 %tmp1 %tmp2 = call <4 x float> @llvm.arm.neon.vld1.v4f32(i8* %gep1) %tmp3 = call <4 x float> @llvm.arm.neon.vmaxs.v4f32(<4 x float> , <4 x float> %tmp2) %gep2 = getelementptr i8* %ptr2, i32 %tmp1 call void @llvm.arm.neon.vst1.v4f32(i8* %gep2, <4 x float> %tmp3) %indvar.next = add i32 %indvar, 1 %cond = icmp eq i32 %indvar.next, 10 br i1 %cond, label %bb2, label %bb1 bb2: ret void } ; CHECK: LCPI1_0: ; CHECK: .section declare <4 x float> @llvm.arm.neon.vld1.v4f32(i8*) nounwind readonly declare void @llvm.arm.neon.vst1.v4f32(i8*, <4 x float>) nounwind declare <4 x float> @llvm.arm.neon.vmaxs.v4f32(<4 x float>, <4 x float>) nounwind readnone