; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instsimplify -S | FileCheck %s
; This is related to https://bugs.llvm.org/show_bug.cgi?id=36682
; All of these can be simplified to a constant true or false value.
; * slt i32 %b, 0 -> false
; * sgt i32 %b, -1 -> true
define i1 @i32_cast_cmp_slt_int_0_uitofp_float(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_float(
; CHECK-NEXT: ret i1 false
;
%f = uitofp i32 %i to float
%b = bitcast float %f to i32
%cmp = icmp slt i32 %b, 0
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_slt_int_0_uitofp_float_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_float_vec(
; CHECK-NEXT: ret <2 x i1> zeroinitializer
;
%f = uitofp <2 x i32> %i to <2 x float>
%b = bitcast <2 x float> %f to <2 x i32>
%cmp = icmp slt <2 x i32> %b, <i32 0, i32 0>
ret <2 x i1> %cmp
}
define <3 x i1> @i32_cast_cmp_slt_int_0_uitofp_float_vec_poison(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_float_vec_poison(
; CHECK-NEXT: ret <3 x i1> zeroinitializer
;
%f = uitofp <3 x i32> %i to <3 x float>
%b = bitcast <3 x float> %f to <3 x i32>
%cmp = icmp slt <3 x i32> %b, <i32 0, i32 poison, i32 0>
ret <3 x i1> %cmp
}
define i1 @i32_cast_cmp_sgt_int_m1_uitofp_float(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_float(
; CHECK-NEXT: ret i1 true
;
%f = uitofp i32 %i to float
%b = bitcast float %f to i32
%cmp = icmp sgt i32 %b, -1
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_sgt_int_m1_uitofp_float_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_float_vec(
; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
;
%f = uitofp <2 x i32> %i to <2 x float>
%b = bitcast <2 x float> %f to <2 x i32>
%cmp = icmp sgt <2 x i32> %b, <i32 -1, i32 -1>
ret <2 x i1> %cmp
}
define i1 @i32_cast_cmp_sgt_int_m1_uitofp_float_vec_mismatch(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_float_vec_mismatch(
; CHECK-NEXT: [[F:%.*]] = uitofp <2 x i32> [[I:%.*]] to <2 x float>
; CHECK-NEXT: [[B:%.*]] = bitcast <2 x float> [[F]] to i64
; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i64 [[B]], -1
; CHECK-NEXT: ret i1 [[CMP]]
;
%f = uitofp <2 x i32> %i to <2 x float>
%b = bitcast <2 x float> %f to i64
%cmp = icmp sgt i64 %b, -1
ret i1 %cmp
}
define <3 x i1> @i32_cast_cmp_sgt_int_m1_uitofp_float_vec_poison(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_float_vec_poison(
; CHECK-NEXT: ret <3 x i1> <i1 true, i1 true, i1 true>
;
%f = uitofp <3 x i32> %i to <3 x float>
%b = bitcast <3 x float> %f to <3 x i32>
%cmp = icmp sgt <3 x i32> %b, <i32 -1, i32 poison, i32 -1>
ret <3 x i1> %cmp
}
define i1 @i32_cast_cmp_slt_int_0_uitofp_double(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_double(
; CHECK-NEXT: ret i1 false
;
%f = uitofp i32 %i to double
%b = bitcast double %f to i64
%cmp = icmp slt i64 %b, 0
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_slt_int_0_uitofp_double_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_double_vec(
; CHECK-NEXT: ret <2 x i1> zeroinitializer
;
%f = uitofp <2 x i32> %i to <2 x double>
%b = bitcast <2 x double> %f to <2 x i64>
%cmp = icmp slt <2 x i64> %b, <i64 0, i64 0>
ret <2 x i1> %cmp
}
define <3 x i1> @i32_cast_cmp_slt_int_0_uitofp_double_vec_poison(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_double_vec_poison(
; CHECK-NEXT: ret <3 x i1> zeroinitializer
;
%f = uitofp <3 x i32> %i to <3 x double>
%b = bitcast <3 x double> %f to <3 x i64>
%cmp = icmp slt <3 x i64> %b, <i64 0, i64 poison, i64 0>
ret <3 x i1> %cmp
}
define i1 @i32_cast_cmp_sgt_int_m1_uitofp_double(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_double(
; CHECK-NEXT: ret i1 true
;
%f = uitofp i32 %i to double
%b = bitcast double %f to i64
%cmp = icmp sgt i64 %b, -1
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_sgt_int_m1_uitofp_double_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_double_vec(
; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
;
%f = uitofp <2 x i32> %i to <2 x double>
%b = bitcast <2 x double> %f to <2 x i64>
%cmp = icmp sgt <2 x i64> %b, <i64 -1, i64 -1>
ret <2 x i1> %cmp
}
define <3 x i1> @i32_cast_cmp_sgt_int_m1_uitofp_double_vec_poison(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_double_vec_poison(
; CHECK-NEXT: ret <3 x i1> <i1 true, i1 true, i1 true>
;
%f = uitofp <3 x i32> %i to <3 x double>
%b = bitcast <3 x double> %f to <3 x i64>
%cmp = icmp sgt <3 x i64> %b, <i64 -1, i64 poison, i64 -1>
ret <3 x i1> %cmp
}
define i1 @i32_cast_cmp_slt_int_0_uitofp_half(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_half(
; CHECK-NEXT: ret i1 false
;
%f = uitofp i32 %i to half
%b = bitcast half %f to i16
%cmp = icmp slt i16 %b, 0
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_slt_int_0_uitofp_half_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_half_vec(
; CHECK-NEXT: ret <2 x i1> zeroinitializer
;
%f = uitofp <2 x i32> %i to <2 x half>
%b = bitcast <2 x half> %f to <2 x i16>
%cmp = icmp slt <2 x i16> %b, <i16 0, i16 0>
ret <2 x i1> %cmp
}
define <3 x i1> @i32_cast_cmp_slt_int_0_uitofp_half_vec_poison(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_slt_int_0_uitofp_half_vec_poison(
; CHECK-NEXT: ret <3 x i1> zeroinitializer
;
%f = uitofp <3 x i32> %i to <3 x half>
%b = bitcast <3 x half> %f to <3 x i16>
%cmp = icmp slt <3 x i16> %b, <i16 0, i16 poison, i16 0>
ret <3 x i1> %cmp
}
define i1 @i32_cast_cmp_sgt_int_m1_uitofp_half(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_half(
; CHECK-NEXT: ret i1 true
;
%f = uitofp i32 %i to half
%b = bitcast half %f to i16
%cmp = icmp sgt i16 %b, -1
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_sgt_int_m1_uitofp_half_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_half_vec(
; CHECK-NEXT: ret <2 x i1> <i1 true, i1 true>
;
%f = uitofp <2 x i32> %i to <2 x half>
%b = bitcast <2 x half> %f to <2 x i16>
%cmp = icmp sgt <2 x i16> %b, <i16 -1, i16 -1>
ret <2 x i1> %cmp
}
define <3 x i1> @i32_cast_cmp_sgt_int_m1_uitofp_half_vec_poison(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_sgt_int_m1_uitofp_half_vec_poison(
; CHECK-NEXT: ret <3 x i1> <i1 true, i1 true, i1 true>
;
%f = uitofp <3 x i32> %i to <3 x half>
%b = bitcast <3 x half> %f to <3 x i16>
%cmp = icmp sgt <3 x i16> %b, <i16 -1, i16 poison, i16 -1>
ret <3 x i1> %cmp
}
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