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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=instcombine,verify < %s | FileCheck %s
define <vscale x 4 x i32> @alloca(<vscale x 4 x i32> %z) {
; CHECK-LABEL: @alloca(
; CHECK-NEXT: ret <vscale x 4 x i32> [[Z:%.*]]
;
%a = alloca <vscale x 4 x i32>
store <vscale x 4 x i32> %z, ptr %a
%load = load <vscale x 4 x i32>, ptr %a
ret <vscale x 4 x i32> %load
}
define void @alloca_dead_store(<vscale x 4 x i32> %z) {
; CHECK-LABEL: @alloca_dead_store(
; CHECK-NEXT: ret void
;
%a = alloca <vscale x 4 x i32>
store <vscale x 4 x i32> %z, ptr %a
ret void
}
declare void @use(...)
define void @alloca_zero_byte_move_first_inst() {
; CHECK-LABEL: @alloca_zero_byte_move_first_inst(
; CHECK-NEXT: [[B:%.*]] = alloca {}, align 8
; CHECK-NEXT: [[A:%.*]] = alloca <vscale x 16 x i8>, align 16
; CHECK-NEXT: call void (...) @use(ptr nonnull [[A]])
; CHECK-NEXT: call void (...) @use(ptr nonnull [[B]])
; CHECK-NEXT: ret void
;
%a = alloca <vscale x 16 x i8>
call void (...) @use( ptr %a )
%b = alloca { }
call void (...) @use( ptr %b )
ret void
}
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