diff options
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb.td | 1 | ||||
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 1 | ||||
| -rw-r--r-- | test/CodeGen/Thumb2/machine-licm.ll | 45 |
3 files changed, 41 insertions, 6 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td index 57e238b..d7cad9f 100644 --- a/lib/Target/ARM/ARMInstrThumb.td +++ b/lib/Target/ARM/ARMInstrThumb.td @@ -889,6 +889,7 @@ def tMOVCCi : T1pIt<(outs tGPR:$dst), (ins tGPR:$lhs, i32imm:$rhs), IIC_iCMOVi, // tLEApcrel - Load a pc-relative address into a register without offending the // assembler. let neverHasSideEffects = 1 in { +let isReMaterializable = 1 in def tLEApcrel : T1I<(outs tGPR:$dst), (ins i32imm:$label, pred:$p), IIC_iALUi, "adr$p\t$dst, #$label", []>, T1Encoding<{1,0,1,0,0,?}>; // A6.2 & A8.6.10 diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 4272dbd..8d3c732 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -778,6 +778,7 @@ multiclass T2I_bin_rrot_DO<bits<3> opcod, string opc> { // LEApcrel - Load a pc-relative address into a register without offending the // assembler. let neverHasSideEffects = 1 in { +let isReMaterializable = 1 in def t2LEApcrel : T2XI<(outs GPR:$dst), (ins i32imm:$label, pred:$p), IIC_iALUi, "adr$p.w\t$dst, #$label", []> { let Inst{31-27} = 0b11110; diff --git a/test/CodeGen/Thumb2/machine-licm.ll b/test/CodeGen/Thumb2/machine-licm.ll index c298aa2..98acc28 100644 --- a/test/CodeGen/Thumb2/machine-licm.ll +++ b/test/CodeGen/Thumb2/machine-licm.ll @@ -1,5 +1,5 @@ -; RUN: llc < %s -mtriple=thumbv7-apple-darwin -disable-fp-elim | FileCheck %s -; RUN: llc < %s -mtriple=thumbv7-apple-darwin -relocation-model=pic -disable-fp-elim | FileCheck %s --check-prefix=PIC +; 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 @@ -8,9 +8,9 @@ @GV = external global i32 ; <i32*> [#uses=2] -define arm_apcscc void @t(i32* nocapture %vals, i32 %c) nounwind { +define arm_apcscc void @t1(i32* nocapture %vals, i32 %c) nounwind { entry: -; CHECK: t: +; CHECK: t1: ; CHECK: cbz %0 = icmp eq i32 %c, 0 ; <i1> [#uses=1] br i1 %0, label %return, label %bb.nph @@ -22,8 +22,7 @@ bb.nph: ; preds = %entry ; CHECK: ldr r3, [r2] ; CHECK: LBB0_2 ; CHECK: LCPI0_0: -; CHECK-NOT: LCPI1_1: -; CHECK: .section +; CHECK-NOT: LCPI0_1: ; PIC: BB#1 ; PIC: ldr.n r2, LCPI0_0 @@ -51,3 +50,37 @@ bb: ; preds = %bb, %bb.nph return: ; preds = %bb, %entry ret void } + +; rdar://8001136 +define arm_apcscc 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> <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00>, <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 |