Files
clang-p2996/llvm/test/Transforms/InstCombine/vector-casts.ll
hyeongyu kim e5aaf03326 [InstCombine] Update InstCombine to use poison instead of undef for shufflevector's placeholder (1/3)
This patch is for fixing potential shufflevector-related bugs like D93818.
As D93818, this patch change shufflevector's default placeholder to poison.
To reduce risk, it was divided into several patches, and this patch is for InstCombineCasts.

Reviewed By: spatel

Differential Revision: https://reviews.llvm.org/D110226
2021-09-22 23:18:51 +09:00

556 lines
21 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
; Can't get smaller than this.
define <2 x i1> @trunc(<2 x i64> %a) {
; CHECK-LABEL: @trunc(
; CHECK-NEXT: [[T:%.*]] = trunc <2 x i64> [[A:%.*]] to <2 x i1>
; CHECK-NEXT: ret <2 x i1> [[T]]
;
%t = trunc <2 x i64> %a to <2 x i1>
ret <2 x i1> %t
}
; This is trunc.
define <2 x i1> @and_cmp_is_trunc(<2 x i64> %a) {
; CHECK-LABEL: @and_cmp_is_trunc(
; CHECK-NEXT: [[R:%.*]] = trunc <2 x i64> [[A:%.*]] to <2 x i1>
; CHECK-NEXT: ret <2 x i1> [[R]]
;
%t = and <2 x i64> %a, <i64 1, i64 1>
%r = icmp ne <2 x i64> %t, zeroinitializer
ret <2 x i1> %r
}
; This is trunc.
define <2 x i1> @and_cmp_is_trunc_even_with_undef_elt(<2 x i64> %a) {
; CHECK-LABEL: @and_cmp_is_trunc_even_with_undef_elt(
; CHECK-NEXT: [[R:%.*]] = trunc <2 x i64> [[A:%.*]] to <2 x i1>
; CHECK-NEXT: ret <2 x i1> [[R]]
;
%t = and <2 x i64> %a, <i64 undef, i64 1>
%r = icmp ne <2 x i64> %t, zeroinitializer
ret <2 x i1> %r
}
; TODO: This could be just 1 instruction (trunc), but our undef matching is incomplete.
define <2 x i1> @and_cmp_is_trunc_even_with_undef_elts(<2 x i64> %a) {
; CHECK-LABEL: @and_cmp_is_trunc_even_with_undef_elts(
; CHECK-NEXT: [[T:%.*]] = and <2 x i64> [[A:%.*]], <i64 undef, i64 1>
; CHECK-NEXT: [[R:%.*]] = icmp ne <2 x i64> [[T]], <i64 undef, i64 0>
; CHECK-NEXT: ret <2 x i1> [[R]]
;
%t = and <2 x i64> %a, <i64 undef, i64 1>
%r = icmp ne <2 x i64> %t, <i64 undef, i64 0>
ret <2 x i1> %r
}
; The ashr turns into an lshr.
define <2 x i64> @test2(<2 x i64> %a) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: [[B:%.*]] = lshr <2 x i64> [[A:%.*]], <i64 1, i64 1>
; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i64> [[B]], <i64 32767, i64 32767>
; CHECK-NEXT: ret <2 x i64> [[TMP1]]
;
%b = and <2 x i64> %a, <i64 65535, i64 65535>
%t = ashr <2 x i64> %b, <i64 1, i64 1>
ret <2 x i64> %t
}
define <2 x i64> @test3(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: @test3(
; CHECK-NEXT: [[TMP1:%.*]] = fcmp ord <4 x float> [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[AND:%.*]] = sext <4 x i1> [[TMP1]] to <4 x i32>
; CHECK-NEXT: [[CONV:%.*]] = bitcast <4 x i32> [[AND]] to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[CONV]]
;
%cmp = fcmp ord <4 x float> %a, zeroinitializer
%sext = sext <4 x i1> %cmp to <4 x i32>
%cmp4 = fcmp ord <4 x float> %b, zeroinitializer
%sext5 = sext <4 x i1> %cmp4 to <4 x i32>
%and = and <4 x i32> %sext, %sext5
%conv = bitcast <4 x i32> %and to <2 x i64>
ret <2 x i64> %conv
}
define <2 x i64> @test4(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: @test4(
; CHECK-NEXT: [[TMP1:%.*]] = fcmp uno <4 x float> [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[OR:%.*]] = sext <4 x i1> [[TMP1]] to <4 x i32>
; CHECK-NEXT: [[CONV:%.*]] = bitcast <4 x i32> [[OR]] to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[CONV]]
;
%cmp = fcmp uno <4 x float> %a, zeroinitializer
%sext = sext <4 x i1> %cmp to <4 x i32>
%cmp4 = fcmp uno <4 x float> %b, zeroinitializer
%sext5 = sext <4 x i1> %cmp4 to <4 x i32>
%or = or <4 x i32> %sext, %sext5
%conv = bitcast <4 x i32> %or to <2 x i64>
ret <2 x i64> %conv
}
; rdar://7434900
define <2 x i64> @test5(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: @test5(
; CHECK-NEXT: [[CMP:%.*]] = fcmp ult <4 x float> [[A:%.*]], zeroinitializer
; CHECK-NEXT: [[CMP4:%.*]] = fcmp ult <4 x float> [[B:%.*]], zeroinitializer
; CHECK-NEXT: [[AND1:%.*]] = and <4 x i1> [[CMP]], [[CMP4]]
; CHECK-NEXT: [[AND:%.*]] = sext <4 x i1> [[AND1]] to <4 x i32>
; CHECK-NEXT: [[CONV:%.*]] = bitcast <4 x i32> [[AND]] to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[CONV]]
;
%cmp = fcmp ult <4 x float> %a, zeroinitializer
%sext = sext <4 x i1> %cmp to <4 x i32>
%cmp4 = fcmp ult <4 x float> %b, zeroinitializer
%sext5 = sext <4 x i1> %cmp4 to <4 x i32>
%and = and <4 x i32> %sext, %sext5
%conv = bitcast <4 x i32> %and to <2 x i64>
ret <2 x i64> %conv
}
define <2 x i64> @test6(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: @test6(
; CHECK-NEXT: [[CMP:%.*]] = fcmp ult <4 x float> [[A:%.*]], zeroinitializer
; CHECK-NEXT: [[CMP4:%.*]] = fcmp ult <4 x float> [[B:%.*]], zeroinitializer
; CHECK-NEXT: [[AND1:%.*]] = or <4 x i1> [[CMP]], [[CMP4]]
; CHECK-NEXT: [[AND:%.*]] = sext <4 x i1> [[AND1]] to <4 x i32>
; CHECK-NEXT: [[CONV:%.*]] = bitcast <4 x i32> [[AND]] to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[CONV]]
;
%cmp = fcmp ult <4 x float> %a, zeroinitializer
%sext = sext <4 x i1> %cmp to <4 x i32>
%cmp4 = fcmp ult <4 x float> %b, zeroinitializer
%sext5 = sext <4 x i1> %cmp4 to <4 x i32>
%and = or <4 x i32> %sext, %sext5
%conv = bitcast <4 x i32> %and to <2 x i64>
ret <2 x i64> %conv
}
define <2 x i64> @test7(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: @test7(
; CHECK-NEXT: [[CMP:%.*]] = fcmp ult <4 x float> [[A:%.*]], zeroinitializer
; CHECK-NEXT: [[CMP4:%.*]] = fcmp ult <4 x float> [[B:%.*]], zeroinitializer
; CHECK-NEXT: [[AND1:%.*]] = xor <4 x i1> [[CMP]], [[CMP4]]
; CHECK-NEXT: [[AND:%.*]] = sext <4 x i1> [[AND1]] to <4 x i32>
; CHECK-NEXT: [[CONV:%.*]] = bitcast <4 x i32> [[AND]] to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[CONV]]
;
%cmp = fcmp ult <4 x float> %a, zeroinitializer
%sext = sext <4 x i1> %cmp to <4 x i32>
%cmp4 = fcmp ult <4 x float> %b, zeroinitializer
%sext5 = sext <4 x i1> %cmp4 to <4 x i32>
%and = xor <4 x i32> %sext, %sext5
%conv = bitcast <4 x i32> %and to <2 x i64>
ret <2 x i64> %conv
}
define void @convert(<2 x i32>* %dst.addr, <2 x i64> %src) {
; CHECK-LABEL: @convert(
; CHECK-NEXT: [[VAL:%.*]] = trunc <2 x i64> [[SRC:%.*]] to <2 x i32>
; CHECK-NEXT: [[ADD:%.*]] = add <2 x i32> [[VAL]], <i32 1, i32 1>
; CHECK-NEXT: store <2 x i32> [[ADD]], <2 x i32>* [[DST_ADDR:%.*]], align 8
; CHECK-NEXT: ret void
;
%val = trunc <2 x i64> %src to <2 x i32>
%add = add <2 x i32> %val, <i32 1, i32 1>
store <2 x i32> %add, <2 x i32>* %dst.addr
ret void
}
define <2 x i65> @foo(<2 x i64> %t) {
; CHECK-LABEL: @foo(
; CHECK-NEXT: [[A_MASK:%.*]] = and <2 x i64> [[T:%.*]], <i64 4294967295, i64 4294967295>
; CHECK-NEXT: [[B:%.*]] = zext <2 x i64> [[A_MASK]] to <2 x i65>
; CHECK-NEXT: ret <2 x i65> [[B]]
;
%a = trunc <2 x i64> %t to <2 x i32>
%b = zext <2 x i32> %a to <2 x i65>
ret <2 x i65> %b
}
define <2 x i64> @bar(<2 x i65> %t) {
; CHECK-LABEL: @bar(
; CHECK-NEXT: [[TMP1:%.*]] = trunc <2 x i65> [[T:%.*]] to <2 x i64>
; CHECK-NEXT: [[B:%.*]] = and <2 x i64> [[TMP1]], <i64 4294967295, i64 4294967295>
; CHECK-NEXT: ret <2 x i64> [[B]]
;
%a = trunc <2 x i65> %t to <2 x i32>
%b = zext <2 x i32> %a to <2 x i64>
ret <2 x i64> %b
}
define <2 x i64> @bars(<2 x i65> %t) {
; CHECK-LABEL: @bars(
; CHECK-NEXT: [[A:%.*]] = trunc <2 x i65> [[T:%.*]] to <2 x i32>
; CHECK-NEXT: [[B:%.*]] = sext <2 x i32> [[A]] to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[B]]
;
%a = trunc <2 x i65> %t to <2 x i32>
%b = sext <2 x i32> %a to <2 x i64>
ret <2 x i64> %b
}
define <2 x i64> @quxs(<2 x i64> %t) {
; CHECK-LABEL: @quxs(
; CHECK-NEXT: [[TMP1:%.*]] = shl <2 x i64> [[T:%.*]], <i64 32, i64 32>
; CHECK-NEXT: [[B:%.*]] = ashr exact <2 x i64> [[TMP1]], <i64 32, i64 32>
; CHECK-NEXT: ret <2 x i64> [[B]]
;
%a = trunc <2 x i64> %t to <2 x i32>
%b = sext <2 x i32> %a to <2 x i64>
ret <2 x i64> %b
}
define <2 x i64> @quxt(<2 x i64> %t) {
; CHECK-LABEL: @quxt(
; CHECK-NEXT: [[A:%.*]] = shl <2 x i64> [[T:%.*]], <i64 32, i64 32>
; CHECK-NEXT: [[B:%.*]] = ashr exact <2 x i64> [[A]], <i64 32, i64 32>
; CHECK-NEXT: ret <2 x i64> [[B]]
;
%a = shl <2 x i64> %t, <i64 32, i64 32>
%b = ashr <2 x i64> %a, <i64 32, i64 32>
ret <2 x i64> %b
}
define <2 x double> @fa(<2 x double> %t) {
; CHECK-LABEL: @fa(
; CHECK-NEXT: [[A:%.*]] = fptrunc <2 x double> [[T:%.*]] to <2 x float>
; CHECK-NEXT: [[B:%.*]] = fpext <2 x float> [[A]] to <2 x double>
; CHECK-NEXT: ret <2 x double> [[B]]
;
%a = fptrunc <2 x double> %t to <2 x float>
%b = fpext <2 x float> %a to <2 x double>
ret <2 x double> %b
}
define <2 x double> @fb(<2 x double> %t) {
; CHECK-LABEL: @fb(
; CHECK-NEXT: [[A:%.*]] = fptoui <2 x double> [[T:%.*]] to <2 x i64>
; CHECK-NEXT: [[B:%.*]] = uitofp <2 x i64> [[A]] to <2 x double>
; CHECK-NEXT: ret <2 x double> [[B]]
;
%a = fptoui <2 x double> %t to <2 x i64>
%b = uitofp <2 x i64> %a to <2 x double>
ret <2 x double> %b
}
define <2 x double> @fc(<2 x double> %t) {
; CHECK-LABEL: @fc(
; CHECK-NEXT: [[A:%.*]] = fptosi <2 x double> [[T:%.*]] to <2 x i64>
; CHECK-NEXT: [[B:%.*]] = sitofp <2 x i64> [[A]] to <2 x double>
; CHECK-NEXT: ret <2 x double> [[B]]
;
%a = fptosi <2 x double> %t to <2 x i64>
%b = sitofp <2 x i64> %a to <2 x double>
ret <2 x double> %b
}
; PR9228
define <4 x float> @f(i32 %a) {
; CHECK-LABEL: @f(
; CHECK-NEXT: ret <4 x float> undef
;
%dim = insertelement <4 x i32> undef, i32 %a, i32 0
%dim30 = insertelement <4 x i32> %dim, i32 %a, i32 1
%dim31 = insertelement <4 x i32> %dim30, i32 %a, i32 2
%dim32 = insertelement <4 x i32> %dim31, i32 %a, i32 3
%offset_ptr = getelementptr <4 x float>, <4 x float>* null, i32 1
%offset_int = ptrtoint <4 x float>* %offset_ptr to i64
%sizeof32 = trunc i64 %offset_int to i32
%smearinsert33 = insertelement <4 x i32> undef, i32 %sizeof32, i32 0
%smearinsert34 = insertelement <4 x i32> %smearinsert33, i32 %sizeof32, i32 1
%smearinsert35 = insertelement <4 x i32> %smearinsert34, i32 %sizeof32, i32 2
%smearinsert36 = insertelement <4 x i32> %smearinsert35, i32 %sizeof32, i32 3
%delta_scale = mul <4 x i32> %dim32, %smearinsert36
%offset_delta = add <4 x i32> zeroinitializer, %delta_scale
%offset_varying_delta = add <4 x i32> %offset_delta, undef
ret <4 x float> undef
}
define <8 x i32> @pr24458(<8 x float> %n) {
; CHECK-LABEL: @pr24458(
; CHECK-NEXT: ret <8 x i32> <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1>
;
%notequal_b_load_.i = fcmp une <8 x float> %n, zeroinitializer
%equal_a_load72_.i = fcmp ueq <8 x float> %n, zeroinitializer
%notequal_b_load__to_boolvec.i = sext <8 x i1> %notequal_b_load_.i to <8 x i32>
%equal_a_load72__to_boolvec.i = sext <8 x i1> %equal_a_load72_.i to <8 x i32>
%wrong = or <8 x i32> %notequal_b_load__to_boolvec.i, %equal_a_load72__to_boolvec.i
ret <8 x i32> %wrong
}
; Hoist a trunc to a scalar if we're inserting into an undef vector.
; trunc (inselt undef, X, Index) --> inselt undef, (trunc X), Index
define <3 x i16> @trunc_inselt_undef(i32 %x) {
; CHECK-LABEL: @trunc_inselt_undef(
; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 [[X:%.*]] to i16
; CHECK-NEXT: [[TRUNC:%.*]] = insertelement <3 x i16> undef, i16 [[TMP1]], i32 1
; CHECK-NEXT: ret <3 x i16> [[TRUNC]]
;
%vec = insertelement <3 x i32> undef, i32 %x, i32 1
%trunc = trunc <3 x i32> %vec to <3 x i16>
ret <3 x i16> %trunc
}
; Hoist a trunc to a scalar if we're inserting into an undef vector.
; trunc (inselt undef, X, Index) --> inselt undef, (trunc X), Index
define <2 x float> @fptrunc_inselt_undef(double %x, i32 %index) {
; CHECK-LABEL: @fptrunc_inselt_undef(
; CHECK-NEXT: [[TMP1:%.*]] = fptrunc double [[X:%.*]] to float
; CHECK-NEXT: [[TRUNC:%.*]] = insertelement <2 x float> undef, float [[TMP1]], i32 [[INDEX:%.*]]
; CHECK-NEXT: ret <2 x float> [[TRUNC]]
;
%vec = insertelement <2 x double> <double undef, double undef>, double %x, i32 %index
%trunc = fptrunc <2 x double> %vec to <2 x float>
ret <2 x float> %trunc
}
; TODO: Strengthen the backend, so we can have this canonicalization.
; Insert a scalar int into a constant vector and truncate:
; trunc (inselt C, X, Index) --> inselt C, (trunc X), Index
define <3 x i16> @trunc_inselt1(i32 %x) {
; CHECK-LABEL: @trunc_inselt1(
; CHECK-NEXT: [[VEC:%.*]] = insertelement <3 x i32> <i32 3, i32 poison, i32 65536>, i32 [[X:%.*]], i32 1
; CHECK-NEXT: [[TRUNC:%.*]] = trunc <3 x i32> [[VEC]] to <3 x i16>
; CHECK-NEXT: ret <3 x i16> [[TRUNC]]
;
%vec = insertelement <3 x i32> <i32 3, i32 -2, i32 65536>, i32 %x, i32 1
%trunc = trunc <3 x i32> %vec to <3 x i16>
ret <3 x i16> %trunc
}
; TODO: Strengthen the backend, so we can have this canonicalization.
; Insert a scalar FP into a constant vector and FP truncate:
; fptrunc (inselt C, X, Index) --> inselt C, (fptrunc X), Index
define <2 x float> @fptrunc_inselt1(double %x, i32 %index) {
; CHECK-LABEL: @fptrunc_inselt1(
; CHECK-NEXT: [[VEC:%.*]] = insertelement <2 x double> <double undef, double 3.000000e+00>, double [[X:%.*]], i32 [[INDEX:%.*]]
; CHECK-NEXT: [[TRUNC:%.*]] = fptrunc <2 x double> [[VEC]] to <2 x float>
; CHECK-NEXT: ret <2 x float> [[TRUNC]]
;
%vec = insertelement <2 x double> <double undef, double 3.0>, double %x, i32 %index
%trunc = fptrunc <2 x double> %vec to <2 x float>
ret <2 x float> %trunc
}
; TODO: Strengthen the backend, so we can have this canonicalization.
; Insert a scalar int constant into a vector and truncate:
; trunc (inselt X, C, Index) --> inselt (trunc X), C', Index
define <8 x i16> @trunc_inselt2(<8 x i32> %x, i32 %index) {
; CHECK-LABEL: @trunc_inselt2(
; CHECK-NEXT: [[VEC:%.*]] = insertelement <8 x i32> [[X:%.*]], i32 1048576, i32 [[INDEX:%.*]]
; CHECK-NEXT: [[TRUNC:%.*]] = trunc <8 x i32> [[VEC]] to <8 x i16>
; CHECK-NEXT: ret <8 x i16> [[TRUNC]]
;
%vec = insertelement <8 x i32> %x, i32 1048576, i32 %index
%trunc = trunc <8 x i32> %vec to <8 x i16>
ret <8 x i16> %trunc
}
; TODO: Strengthen the backend, so we can have this canonicalization.
; Insert a scalar FP constant into a vector and FP truncate:
; fptrunc (inselt X, C, Index) --> inselt (fptrunc X), C', Index
define <3 x float> @fptrunc_inselt2(<3 x double> %x) {
; CHECK-LABEL: @fptrunc_inselt2(
; CHECK-NEXT: [[VEC:%.*]] = insertelement <3 x double> [[X:%.*]], double 4.000000e+00, i32 2
; CHECK-NEXT: [[TRUNC:%.*]] = fptrunc <3 x double> [[VEC]] to <3 x float>
; CHECK-NEXT: ret <3 x float> [[TRUNC]]
;
%vec = insertelement <3 x double> %x, double 4.0, i32 2
%trunc = fptrunc <3 x double> %vec to <3 x float>
ret <3 x float> %trunc
}
; Converting to a wide type might reduce instruction count,
; but we can not do that unless the backend can recover from
; the creation of a potentially illegal op (like a 64-bit vmul).
; PR40032 - https://bugs.llvm.org/show_bug.cgi?id=40032
define <2 x i64> @sext_less_casting_with_wideop(<2 x i64> %x, <2 x i64> %y) {
; CHECK-LABEL: @sext_less_casting_with_wideop(
; CHECK-NEXT: [[XNARROW:%.*]] = trunc <2 x i64> [[X:%.*]] to <2 x i32>
; CHECK-NEXT: [[YNARROW:%.*]] = trunc <2 x i64> [[Y:%.*]] to <2 x i32>
; CHECK-NEXT: [[MUL:%.*]] = mul <2 x i32> [[XNARROW]], [[YNARROW]]
; CHECK-NEXT: [[R:%.*]] = sext <2 x i32> [[MUL]] to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[R]]
;
%xnarrow = trunc <2 x i64> %x to <2 x i32>
%ynarrow = trunc <2 x i64> %y to <2 x i32>
%mul = mul <2 x i32> %xnarrow, %ynarrow
%r = sext <2 x i32> %mul to <2 x i64>
ret <2 x i64> %r
}
define <2 x i64> @zext_less_casting_with_wideop(<2 x i64> %x, <2 x i64> %y) {
; CHECK-LABEL: @zext_less_casting_with_wideop(
; CHECK-NEXT: [[XNARROW:%.*]] = trunc <2 x i64> [[X:%.*]] to <2 x i32>
; CHECK-NEXT: [[YNARROW:%.*]] = trunc <2 x i64> [[Y:%.*]] to <2 x i32>
; CHECK-NEXT: [[MUL:%.*]] = mul <2 x i32> [[XNARROW]], [[YNARROW]]
; CHECK-NEXT: [[R:%.*]] = zext <2 x i32> [[MUL]] to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[R]]
;
%xnarrow = trunc <2 x i64> %x to <2 x i32>
%ynarrow = trunc <2 x i64> %y to <2 x i32>
%mul = mul <2 x i32> %xnarrow, %ynarrow
%r = zext <2 x i32> %mul to <2 x i64>
ret <2 x i64> %r
}
define <4 x float> @sitofp_shuf(<4 x i32> %x) {
; CHECK-LABEL: @sitofp_shuf(
; CHECK-NEXT: [[TMP1:%.*]] = sitofp <4 x i32> [[X:%.*]] to <4 x float>
; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x float> [[TMP1]], <4 x float> poison, <4 x i32> <i32 1, i32 2, i32 3, i32 undef>
; CHECK-NEXT: ret <4 x float> [[R]]
;
%s = shufflevector <4 x i32> %x, <4 x i32> poison, <4 x i32> <i32 1, i32 2, i32 3, i32 undef>
%r = sitofp <4 x i32> %s to <4 x float>
ret <4 x float> %r
}
define <3 x half> @uitofp_shuf(<3 x i16> %x) {
; CHECK-LABEL: @uitofp_shuf(
; CHECK-NEXT: [[TMP1:%.*]] = uitofp <3 x i16> [[X:%.*]] to <3 x half>
; CHECK-NEXT: [[R:%.*]] = shufflevector <3 x half> [[TMP1]], <3 x half> poison, <3 x i32> <i32 2, i32 undef, i32 0>
; CHECK-NEXT: ret <3 x half> [[R]]
;
%s = shufflevector <3 x i16> %x, <3 x i16> poison, <3 x i32> <i32 2, i32 undef, i32 0>
%r = uitofp <3 x i16> %s to <3 x half>
ret <3 x half> %r
}
define <4 x i64> @fptosi_shuf(<4 x double> %x) {
; CHECK-LABEL: @fptosi_shuf(
; CHECK-NEXT: [[TMP1:%.*]] = fptosi <4 x double> [[X:%.*]] to <4 x i64>
; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x i64> [[TMP1]], <4 x i64> poison, <4 x i32> <i32 undef, i32 2, i32 3, i32 undef>
; CHECK-NEXT: ret <4 x i64> [[R]]
;
%s = shufflevector <4 x double> %x, <4 x double> poison, <4 x i32> <i32 undef, i32 2, i32 3, i32 undef>
%r = fptosi <4 x double> %s to <4 x i64>
ret <4 x i64> %r
}
define <2 x i32> @fptoui_shuf(<2 x float> %x) {
; CHECK-LABEL: @fptoui_shuf(
; CHECK-NEXT: [[TMP1:%.*]] = fptoui <2 x float> [[X:%.*]] to <2 x i32>
; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x i32> [[TMP1]], <2 x i32> poison, <2 x i32> <i32 1, i32 1>
; CHECK-NEXT: ret <2 x i32> [[R]]
;
%s = shufflevector <2 x float> %x, <2 x float> poison, <2 x i32> <i32 1, i32 1>
%r = fptoui <2 x float> %s to <2 x i32>
ret <2 x i32> %r
}
; negative test
; TODO: Should we reduce the width of the shuffle?
define <4 x half> @narrowing_sitofp_shuf(<4 x i32> %x) {
; CHECK-LABEL: @narrowing_sitofp_shuf(
; CHECK-NEXT: [[S:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> poison, <4 x i32> <i32 1, i32 2, i32 3, i32 undef>
; CHECK-NEXT: [[R:%.*]] = sitofp <4 x i32> [[S]] to <4 x half>
; CHECK-NEXT: ret <4 x half> [[R]]
;
%s = shufflevector <4 x i32> %x, <4 x i32> poison, <4 x i32> <i32 1, i32 2, i32 3, i32 undef>
%r = sitofp <4 x i32> %s to <4 x half>
ret <4 x half> %r
}
; negative test
define <4 x double> @widening_uitofp_shuf(<4 x i32> %x) {
; CHECK-LABEL: @widening_uitofp_shuf(
; CHECK-NEXT: [[S:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> poison, <4 x i32> <i32 1, i32 2, i32 3, i32 undef>
; CHECK-NEXT: [[R:%.*]] = uitofp <4 x i32> [[S]] to <4 x double>
; CHECK-NEXT: ret <4 x double> [[R]]
;
%s = shufflevector <4 x i32> %x, <4 x i32> poison, <4 x i32> <i32 1, i32 2, i32 3, i32 undef>
%r = uitofp <4 x i32> %s to <4 x double>
ret <4 x double> %r
}
; negative test
define <3 x i64> @fptosi_narrowing_shuf(<4 x double> %x) {
; CHECK-LABEL: @fptosi_narrowing_shuf(
; CHECK-NEXT: [[S:%.*]] = shufflevector <4 x double> [[X:%.*]], <4 x double> poison, <3 x i32> <i32 undef, i32 2, i32 3>
; CHECK-NEXT: [[R:%.*]] = fptosi <3 x double> [[S]] to <3 x i64>
; CHECK-NEXT: ret <3 x i64> [[R]]
;
%s = shufflevector <4 x double> %x, <4 x double> poison, <3 x i32> <i32 undef, i32 2, i32 3>
%r = fptosi <3 x double> %s to <3 x i64>
ret <3 x i64> %r
}
; negative test
; TODO: Should we reduce the width of the cast?
define <3 x i32> @fptoui_widening_shuf(<2 x float> %x) {
; CHECK-LABEL: @fptoui_widening_shuf(
; CHECK-NEXT: [[S:%.*]] = shufflevector <2 x float> [[X:%.*]], <2 x float> poison, <3 x i32> <i32 1, i32 1, i32 0>
; CHECK-NEXT: [[R:%.*]] = fptoui <3 x float> [[S]] to <3 x i32>
; CHECK-NEXT: ret <3 x i32> [[R]]
;
%s = shufflevector <2 x float> %x, <2 x float> poison, <3 x i32> <i32 1, i32 1, i32 0>
%r = fptoui <3 x float> %s to <3 x i32>
ret <3 x i32> %r
}
; negative test
; TODO: Should we reduce the width of the cast?
define <4 x half> @narrowing_sitofp_widening_shuf(<2 x i32> %x) {
; CHECK-LABEL: @narrowing_sitofp_widening_shuf(
; CHECK-NEXT: [[S:%.*]] = shufflevector <2 x i32> [[X:%.*]], <2 x i32> poison, <4 x i32> <i32 1, i32 0, i32 0, i32 undef>
; CHECK-NEXT: [[R:%.*]] = sitofp <4 x i32> [[S]] to <4 x half>
; CHECK-NEXT: ret <4 x half> [[R]]
;
%s = shufflevector <2 x i32> %x, <2 x i32> poison, <4 x i32> <i32 1, i32 0, i32 0, i32 undef>
%r = sitofp <4 x i32> %s to <4 x half>
ret <4 x half> %r
}
declare void @use(<4 x i32>)
; negative test
define <4 x float> @sitofp_shuf_extra_use(<4 x i32> %x) {
; CHECK-LABEL: @sitofp_shuf_extra_use(
; CHECK-NEXT: [[S:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> poison, <4 x i32> <i32 1, i32 2, i32 3, i32 undef>
; CHECK-NEXT: call void @use(<4 x i32> [[S]])
; CHECK-NEXT: [[R:%.*]] = sitofp <4 x i32> [[S]] to <4 x float>
; CHECK-NEXT: ret <4 x float> [[R]]
;
%s = shufflevector <4 x i32> %x, <4 x i32> poison, <4 x i32> <i32 1, i32 2, i32 3, i32 undef>
call void @use(<4 x i32> %s)
%r = sitofp <4 x i32> %s to <4 x float>
ret <4 x float> %r
}
; negative test
; TODO: Allow scalable vectors?
define <vscale x 4 x float> @sitofp_shuf_scalable(<vscale x 4 x i32> %x) {
; CHECK-LABEL: @sitofp_shuf_scalable(
; CHECK-NEXT: [[S:%.*]] = shufflevector <vscale x 4 x i32> [[X:%.*]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
; CHECK-NEXT: [[R:%.*]] = sitofp <vscale x 4 x i32> [[S]] to <vscale x 4 x float>
; CHECK-NEXT: ret <vscale x 4 x float> [[R]]
;
%s = shufflevector <vscale x 4 x i32> %x, <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
%r = sitofp <vscale x 4 x i32> %s to <vscale x 4 x float>
ret <vscale x 4 x float> %r
}