mem-ops-sub.ll
1.09 KB
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; RUN: llc -O2 -march=hexagon < %s | FileCheck %s
; Test that we do not exceed #u5 in memops.
; CHECK-NOT: memb(r2+#0) -= #32
@g0 = unnamed_addr global i8 112, align 1
; Function Attrs: norecurse nounwind
define fastcc void @f0() unnamed_addr #0 {
b0:
%v0 = load i8, i8* @g0, align 1, !tbaa !4
%v1 = zext i8 %v0 to i32
%v2 = mul nuw nsw i32 %v1, 9625
%v3 = and i32 %v2, 255
%v4 = mul nuw nsw i32 %v3, 9625
%v5 = and i32 %v4, 255
%v6 = trunc i32 %v5 to i8
store i8 %v6, i8* @g0, align 1, !tbaa !4
ret void
}
define i32 @f1() {
b0:
%v0 = load i8, i8* @g0, align 1, !tbaa !4
%v1 = zext i8 %v0 to i32
%v2 = add nuw nsw i32 %v1, 224
%v3 = trunc i32 %v2 to i8
store i8 %v3, i8* @g0, align 1, !tbaa !4
tail call fastcc void @f0()
%v4 = load i8, i8* @g0, align 1, !tbaa !4
%v5 = zext i8 %v4 to i32
ret i32 %v5
}
attributes #0 = { norecurse nounwind }
!llvm.module.flags = !{!0, !2}
!0 = !{i32 6, !"Target CPU", !1}
!1 = !{!"hexagonv55"}
!2 = !{i32 6, !"Target Features", !3}
!3 = !{!"-hvx"}
!4 = !{!5, !5, i64 0}
!5 = !{!"omnipotent char", !6, i64 0}
!6 = !{!"Simple C/C++ TBAA"}