| ; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| ; RUN: llc -O0 -stop-after=irtranslator -global-isel -verify-machineinstrs %s -o - 2>&1 | FileCheck %s --check-prefix=O0 |
| ; RUN: llc -O3 -stop-after=irtranslator -global-isel -verify-machineinstrs %s -o - 2>&1 | FileCheck %s --check-prefix=O3 |
| target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64--" |
| |
| define i32 @cse_gep([4 x i32]* %ptr, i32 %idx) { |
| ; O0-LABEL: name: cse_gep |
| ; O0: bb.1 (%ir-block.0): |
| ; O0: liveins: $w1, $x0 |
| ; O0: [[COPY:%[0-9]+]]:_(p0) = COPY $x0 |
| ; O0: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1 |
| ; O0: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[COPY1]](s32) |
| ; O0: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16 |
| ; O0: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[C]], [[SEXT]] |
| ; O0: [[GEP:%[0-9]+]]:_(p0) = G_GEP [[COPY]], [[MUL]](s64) |
| ; O0: [[COPY2:%[0-9]+]]:_(p0) = COPY [[GEP]](p0) |
| ; O0: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY2]](p0) :: (load 4 from %ir.gep1) |
| ; O0: [[MUL1:%[0-9]+]]:_(s64) = G_MUL [[C]], [[SEXT]] |
| ; O0: [[GEP1:%[0-9]+]]:_(p0) = G_GEP [[COPY]], [[MUL1]](s64) |
| ; O0: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4 |
| ; O0: [[GEP2:%[0-9]+]]:_(p0) = G_GEP [[GEP1]], [[C1]](s64) |
| ; O0: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[GEP2]](p0) :: (load 4 from %ir.gep2) |
| ; O0: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[LOAD1]], [[LOAD1]] |
| ; O0: $w0 = COPY [[ADD]](s32) |
| ; O0: RET_ReallyLR implicit $w0 |
| ; O3-LABEL: name: cse_gep |
| ; O3: bb.1 (%ir-block.0): |
| ; O3: liveins: $w1, $x0 |
| ; O3: [[COPY:%[0-9]+]]:_(p0) = COPY $x0 |
| ; O3: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1 |
| ; O3: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[COPY1]](s32) |
| ; O3: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16 |
| ; O3: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[C]], [[SEXT]] |
| ; O3: [[GEP:%[0-9]+]]:_(p0) = G_GEP [[COPY]], [[MUL]](s64) |
| ; O3: [[COPY2:%[0-9]+]]:_(p0) = COPY [[GEP]](p0) |
| ; O3: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY2]](p0) :: (load 4 from %ir.gep1) |
| ; O3: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4 |
| ; O3: [[GEP1:%[0-9]+]]:_(p0) = G_GEP [[GEP]], [[C1]](s64) |
| ; O3: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[GEP1]](p0) :: (load 4 from %ir.gep2) |
| ; O3: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[LOAD1]], [[LOAD1]] |
| ; O3: $w0 = COPY [[ADD]](s32) |
| ; O3: RET_ReallyLR implicit $w0 |
| %sidx = sext i32 %idx to i64 |
| %gep1 = getelementptr inbounds [4 x i32], [4 x i32]* %ptr, i64 %sidx, i64 0 |
| %v1 = load i32, i32* %gep1 |
| %gep2 = getelementptr inbounds [4 x i32], [4 x i32]* %ptr, i64 %sidx, i64 1 |
| %v2 = load i32, i32* %gep2 |
| %res = add i32 %v2, %v2 |
| ret i32 %res |
| } |