; RUN: opt -passes='loop-mssa(licm)' -S %s | FileCheck --check-prefixes=COMMON,SPEC_ON %s ; RUN: opt -passes='loop-mssa(licm)' -S %s | FileCheck --check-prefixes=COMMON,SPEC_OFF %s ; RUN: opt -passes='licm' -S %s | FileCheck --check-prefixes=COMMON,SPEC_OFF %s ; RUN: opt -passes='loop-mssa(lnicm)' -S %s | FileCheck --check-prefixes=COMMON,SPEC_ON %s ; RUN: opt -passes='loop-mssa(lnicm)' -S %s | FileCheck --check-prefixes=COMMON,SPEC_OFF %s ; RUN: opt -passes='lnicm' -S %s | FileCheck --check-prefixes=COMMON,SPEC_OFF %s define void @test(ptr %ptr, i32 %N) { ; COMMON-LABEL: @test( ; COMMON-NEXT: entry: ; SPEC_ON-NEXT: [[GEP:%.*]] = getelementptr [10 x i32], ptr [[PTR:%.*]], i32 0, i32 1 ; COMMON-NEXT: br label [[LOOP_HEADER:%.*]] ; COMMON: loop.header: ; COMMON-NEXT: [[IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[LOOP_LATCH:%.*]] ] ; COMMON-NEXT: [[CMP:%.*]] = icmp ult i32 [[IV]], [[N:%.*]] ; COMMON-NEXT: br i1 [[CMP]], label [[LOOP_LATCH]], label [[EXIT:%.*]] ; COMMON: loop.latch: ; SPEC_OFF-NEXT: [[GEP:%.*]] = getelementptr [10 x i32], ptr [[PTR:%.*]], i32 0, i32 1 ; COMMON-NEXT: [[GEP_IV:%.*]] = getelementptr i32, ptr [[GEP]], i32 [[IV]] ; COMMON-NEXT: store i32 9999, ptr [[GEP_IV]], align 4 ; COMMON-NEXT: [[IV_NEXT]] = add i32 [[IV]], 1 ; COMMON-NEXT: br label [[LOOP_HEADER]] ; COMMON: exit: ; COMMON-NEXT: ret void ; entry: br label %loop.header loop.header: %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop.latch ] %cmp = icmp ult i32 %iv, %N br i1 %cmp, label %loop.latch, label %exit loop.latch: %gep = getelementptr [10 x i32], ptr %ptr, i32 0, i32 1 %gep.iv = getelementptr i32, ptr %gep, i32 %iv store i32 9999, ptr %gep.iv %iv.next = add i32 %iv, 1 br label %loop.header exit: ret void }