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https://github.com/c64scene-ar/llvm-6502.git
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cc687faba3
sext-not-and --> select. Patch by Muhammad Tauqir Ahmad. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173901 91177308-0d34-0410-b5e6-96231b3b80d8
153 lines
4.5 KiB
LLVM
153 lines
4.5 KiB
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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; This turns into a&1 != 0
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define <2 x i1> @test1(<2 x i64> %a) {
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%t = trunc <2 x i64> %a to <2 x i1>
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ret <2 x i1> %t
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; CHECK: @test1
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; CHECK: and <2 x i64> %a, <i64 1, i64 1>
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; CHECK: icmp ne <2 x i64> %1, zeroinitializer
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}
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; The ashr turns into an lshr.
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define <2 x i64> @test2(<2 x i64> %a) {
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%b = and <2 x i64> %a, <i64 65535, i64 65535>
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%t = ashr <2 x i64> %b, <i64 1, i64 1>
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ret <2 x i64> %t
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; CHECK: @test2
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; CHECK: and <2 x i64> %a, <i64 65535, i64 65535>
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; CHECK: lshr <2 x i64> %b, <i64 1, i64 1>
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}
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define <2 x i64> @test3(<4 x float> %a, <4 x float> %b) nounwind readnone {
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entry:
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%cmp = fcmp ord <4 x float> %a, zeroinitializer
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%sext = sext <4 x i1> %cmp to <4 x i32>
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%cmp4 = fcmp ord <4 x float> %b, zeroinitializer
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%sext5 = sext <4 x i1> %cmp4 to <4 x i32>
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%and = and <4 x i32> %sext, %sext5
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%conv = bitcast <4 x i32> %and to <2 x i64>
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ret <2 x i64> %conv
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; CHECK: @test3
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; CHECK: fcmp ord <4 x float> %a, %b
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}
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define <2 x i64> @test4(<4 x float> %a, <4 x float> %b) nounwind readnone {
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entry:
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%cmp = fcmp uno <4 x float> %a, zeroinitializer
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%sext = sext <4 x i1> %cmp to <4 x i32>
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%cmp4 = fcmp uno <4 x float> %b, zeroinitializer
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%sext5 = sext <4 x i1> %cmp4 to <4 x i32>
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%or = or <4 x i32> %sext, %sext5
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%conv = bitcast <4 x i32> %or to <2 x i64>
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ret <2 x i64> %conv
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; CHECK: @test4
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; CHECK: fcmp uno <4 x float> %a, %b
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}
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; rdar://7434900
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define <2 x i64> @test5(<4 x float> %a, <4 x float> %b) nounwind readnone {
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entry:
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%cmp = fcmp ult <4 x float> %a, zeroinitializer
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%sext = sext <4 x i1> %cmp to <4 x i32>
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%cmp4 = fcmp ult <4 x float> %b, zeroinitializer
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%sext5 = sext <4 x i1> %cmp4 to <4 x i32>
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%and = and <4 x i32> %sext, %sext5
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%conv = bitcast <4 x i32> %and to <2 x i64>
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ret <2 x i64> %conv
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; CHECK: @test5
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; CHECK: sext <4 x i1> %cmp to <4 x i32>
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; The sext-and pair is canonicalized to a select.
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; CHECK: select <4 x i1> %cmp4, <4 x i32> %sext, <4 x i32> zeroinitializer
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}
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define void @convert(<2 x i32>* %dst.addr, <2 x i64> %src) nounwind {
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entry:
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%val = trunc <2 x i64> %src to <2 x i32>
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%add = add <2 x i32> %val, <i32 1, i32 1>
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store <2 x i32> %add, <2 x i32>* %dst.addr
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ret void
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}
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define <2 x i65> @foo(<2 x i64> %t) {
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%a = trunc <2 x i64> %t to <2 x i32>
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%b = zext <2 x i32> %a to <2 x i65>
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ret <2 x i65> %b
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}
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define <2 x i64> @bar(<2 x i65> %t) {
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%a = trunc <2 x i65> %t to <2 x i32>
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%b = zext <2 x i32> %a to <2 x i64>
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ret <2 x i64> %b
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}
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define <2 x i65> @foos(<2 x i64> %t) {
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%a = trunc <2 x i64> %t to <2 x i32>
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%b = sext <2 x i32> %a to <2 x i65>
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ret <2 x i65> %b
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}
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define <2 x i64> @bars(<2 x i65> %t) {
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%a = trunc <2 x i65> %t to <2 x i32>
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%b = sext <2 x i32> %a to <2 x i64>
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ret <2 x i64> %b
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}
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define <2 x i64> @quxs(<2 x i64> %t) {
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%a = trunc <2 x i64> %t to <2 x i32>
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%b = sext <2 x i32> %a to <2 x i64>
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ret <2 x i64> %b
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}
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define <2 x i64> @quxt(<2 x i64> %t) {
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%a = shl <2 x i64> %t, <i64 32, i64 32>
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%b = ashr <2 x i64> %a, <i64 32, i64 32>
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ret <2 x i64> %b
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}
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define <2 x double> @fa(<2 x double> %t) {
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%a = fptrunc <2 x double> %t to <2 x float>
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%b = fpext <2 x float> %a to <2 x double>
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ret <2 x double> %b
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}
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define <2 x double> @fb(<2 x double> %t) {
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%a = fptoui <2 x double> %t to <2 x i64>
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%b = uitofp <2 x i64> %a to <2 x double>
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ret <2 x double> %b
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}
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define <2 x double> @fc(<2 x double> %t) {
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%a = fptosi <2 x double> %t to <2 x i64>
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%b = sitofp <2 x i64> %a to <2 x double>
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ret <2 x double> %b
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}
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; PR9228
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; This was a crasher, so no CHECK statements.
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define <4 x float> @f(i32 %a) nounwind alwaysinline {
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; CHECK: @f
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entry:
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%dim = insertelement <4 x i32> undef, i32 %a, i32 0
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%dim30 = insertelement <4 x i32> %dim, i32 %a, i32 1
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%dim31 = insertelement <4 x i32> %dim30, i32 %a, i32 2
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%dim32 = insertelement <4 x i32> %dim31, i32 %a, i32 3
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%offset_ptr = getelementptr <4 x float>* null, i32 1
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%offset_int = ptrtoint <4 x float>* %offset_ptr to i64
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%sizeof32 = trunc i64 %offset_int to i32
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%smearinsert33 = insertelement <4 x i32> undef, i32 %sizeof32, i32 0
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%smearinsert34 = insertelement <4 x i32> %smearinsert33, i32 %sizeof32, i32 1
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%smearinsert35 = insertelement <4 x i32> %smearinsert34, i32 %sizeof32, i32 2
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%smearinsert36 = insertelement <4 x i32> %smearinsert35, i32 %sizeof32, i32 3
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%delta_scale = mul <4 x i32> %dim32, %smearinsert36
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%offset_delta = add <4 x i32> zeroinitializer, %delta_scale
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%offset_varying_delta = add <4 x i32> %offset_delta, undef
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ret <4 x float> undef
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}
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