; RUN: opt < %s -passes="slsr" -S | FileCheck %s target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64" %struct.B = type { i16 } %struct.A = type { %struct.B, %struct.B, %struct.B } define void @path_compression(i32 %a, ptr %base, i16 %r, i1 %cond) { ; CHECK-LABEL: @path_compression( ; CHECK: [[I:%.*]] = sext i32 %a to i64 ; CHECK: [[GEP1:%.*]] = getelementptr %struct.A, ptr %base, i64 [[I]] ; CHECK: br ; CHECK-LABEL: next ; compress the path to use GEP1 as the Basis instead of GEP2 ; CHECK: [[GEP2:%.*]] = getelementptr inbounds i8, ptr [[GEP1]], i64 2 ; CHECK: [[GEP3:%.*]] = getelementptr inbounds i8, ptr [[GEP1]], i64 4 %1 = sext i32 %a to i64 %2 = add i64 %1, 1 %getElem1 = getelementptr inbounds %struct.A, ptr %base, i64 %1 br i1 %cond, label %next, label %ret next: %getElem2 = getelementptr inbounds %struct.A, ptr %base, i64 %1, i32 1 %offset = sub i64 %2, 1 %getElem3 = getelementptr inbounds %struct.A, ptr %base, i64 %offset, i32 2 store i16 %r, ptr %getElem1, align 2 store i16 %r, ptr %getElem2, align 2 store i16 %r, ptr %getElem3, align 2 br label %ret ret: ret void }