blob: a73f91dec61d4b9f76813f379c4c883f48cd45c5 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instcombine,verify -S | FileCheck %s
define <2 x i8> @constprop_load_bitcast(ptr %ptr) {
; CHECK-LABEL: @constprop_load_bitcast(
; CHECK-NEXT: store <vscale x 16 x i1> zeroinitializer, ptr [[PTR:%.*]], align 16
; CHECK-NEXT: ret <2 x i8> zeroinitializer
;
store <vscale x 16 x i1> zeroinitializer, ptr %ptr, align 16
%a = load <2 x i8>, ptr %ptr, align 16
ret <2 x i8> %a
}
; vscale-sized vec not guaranteed to fill destination.
define <8 x i8> @constprop_load_bitcast_neg(ptr %ptr) {
; CHECK-LABEL: @constprop_load_bitcast_neg(
; CHECK-NEXT: store <vscale x 16 x i1> zeroinitializer, ptr [[PTR:%.*]], align 16
; CHECK-NEXT: [[A:%.*]] = load <8 x i8>, ptr [[PTR]], align 16
; CHECK-NEXT: ret <8 x i8> [[A]]
;
store <vscale x 16 x i1> zeroinitializer, ptr %ptr, align 16
%a = load <8 x i8>, ptr %ptr, align 16
ret <8 x i8> %a
}