1; RUN: opt %loadNPMPolly -polly-invariant-load-hoisting=true '-passes=print<polly-function-scops>' -disable-output < %s 2>&1 | FileCheck %s --check-prefix=SCOP 2; RUN: opt %loadNPMPolly -S -passes=polly-codegen -polly-invariant-load-hoisting=true %s | FileCheck %s 3; 4; The offset of the %tmp1 load wrt. to %buff (62 bytes) is not divisible 5; by the type size (i32 = 4 bytes), thus we will have to represent %buff 6; with a smaller type. In this case i16 is sufficient to represent the 7; 62 byte offset accurately. 8; 9; SCOP: Invariant Accesses: { 10; SCOP: ReadAccess := [Reduction Type: NONE] [Scalar: 0] 11; SCOP: { Stmt_if_end_6[] -> MemRef_buff[o0] : 31 <= o0 <= 32 }; 12; SCOP: Execution Context: { : } 13; SCOP: } 14; SCOP: Arrays { 15; SCOP: i16 MemRef_buff[*]; // Element size 2 16; SCOP: i32 MemRef_key_0; // Element size 4 17; SCOP: } 18; 19; CHECK-LABEL: polly.preload.begin: 20; CHECK-NEXT: %polly.access.buff = getelementptr i16, ptr %buff, i64 31 21; CHECK-NEXT: %polly.access.buff.load = load i32, ptr %polly.access.buff, align 4 22; CHECK-NEXT: store i32 %polly.access.buff.load, ptr %tmp1.preload.s2a 23; 24target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 25 26; Function Attrs: nounwind uwtable 27define void @sudecrypt(ptr %buff) #0 { 28entry: 29 br i1 undef, label %cleanup, label %if.end 30 31if.end: ; preds = %entry 32 br i1 undef, label %if.end.6, label %if.then.5 33 34if.then.5: ; preds = %if.end 35 unreachable 36 37if.end.6: ; preds = %if.end 38 %add.ptr = getelementptr inbounds i8, ptr %buff, i64 62 39 %tmp1 = load i32, ptr %add.ptr, align 4, !tbaa !1 40 br i1 false, label %if.then.13, label %switch.early.test 41 42switch.early.test: ; preds = %if.end.6 43 switch i32 0, label %if.end.16 [ 44 i32 956, label %if.then.13 45 i32 520, label %if.then.13 46 ] 47 48if.then.13: ; preds = %switch.early.test, %switch.early.test, %if.end.6 49 br label %if.end.16 50 51if.end.16: ; preds = %if.then.13, %switch.early.test 52 %key.0 = phi i32 [ undef, %if.then.13 ], [ 0, %switch.early.test ] 53 br i1 undef, label %if.end.34, label %if.then.19 54 55if.then.19: ; preds = %if.end.16 56 unreachable 57 58if.end.34: ; preds = %if.end.16 59 unreachable 60 61cleanup: ; preds = %entry 62 ret void 63} 64 65attributes #0 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" } 66 67!llvm.ident = !{!0} 68 69!0 = !{!"clang version 3.8.0 (trunk 250010) (llvm/trunk 250018)"} 70!1 = !{!2, !2, i64 0} 71!2 = !{!"int", !3, i64 0} 72!3 = !{!"omnipotent char", !4, i64 0} 73!4 = !{!"Simple C/C++ TBAA"} 74