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TheRock/compiler/amd-llvm/llvm/test/CodeGen/Thumb2/mve-gather-unused.ll
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39 lines
1.6 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve.fp -enable-arm-maskedldst %s -o - | FileCheck %s
; This files has some unused gathers, making sure that they do not cause
; problems as the function gets simplified.
define arm_aapcs_vfpcc void @unused1(<4 x ptr> %offs) {
; CHECK-LABEL: unused1:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: bx lr
entry:
%gather = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> %offs, i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
ret void
}
define arm_aapcs_vfpcc void @unused2(<4 x ptr> %offs) {
; CHECK-LABEL: unused2:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: bx lr
entry:
%gather1 = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> %offs, i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
%gather2 = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> %offs, i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
ret void
}
define arm_aapcs_vfpcc void @unused2_used(<4 x ptr> %offs) {
; CHECK-LABEL: unused2_used:
; CHECK: @ %bb.0: @ %entry
; CHECK-NEXT: bx lr
entry:
%gather1 = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> %offs, i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
%gather2 = call <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr> %offs, i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
%unused = add <4 x i32> %gather1, %gather2
ret void
}
declare <4 x i32> @llvm.masked.gather.v4i32.v4p0(<4 x ptr>, i32, <4 x i1>, <4 x i32>)