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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
; This is related to https://bugs.llvm.org/show_bug.cgi?id=36682
; In *all* of these, uitofp and bitcast should be instcombine'd out.
define i1 @i32_cast_cmp_eq_int_0_uitofp_float(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_eq_int_0_uitofp_float(
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[I:%.*]], 0
; CHECK-NEXT: ret i1 [[CMP]]
;
%f = uitofp i32 %i to float
%b = bitcast float %f to i32
%cmp = icmp eq i32 %b, 0
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_eq_int_0_uitofp_float_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_eq_int_0_uitofp_float_vec(
; CHECK-NEXT: [[CMP:%.*]] = icmp eq <2 x i32> [[I:%.*]], zeroinitializer
; CHECK-NEXT: ret <2 x i1> [[CMP]]
;
%f = uitofp <2 x i32> %i to <2 x float>
%b = bitcast <2 x float> %f to <2 x i32>
%cmp = icmp eq <2 x i32> %b, <i32 0, i32 0>
ret <2 x i1> %cmp
}
define <3 x i1> @i32_cast_cmp_eq_int_0_uitofp_float_vec_undef(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_eq_int_0_uitofp_float_vec_undef(
; CHECK-NEXT: [[CMP:%.*]] = icmp eq <3 x i32> [[I:%.*]], zeroinitializer
; CHECK-NEXT: ret <3 x i1> [[CMP]]
;
%f = uitofp <3 x i32> %i to <3 x float>
%b = bitcast <3 x float> %f to <3 x i32>
%cmp = icmp eq <3 x i32> %b, <i32 0, i32 undef, i32 0>
ret <3 x i1> %cmp
}
define i1 @i32_cast_cmp_ne_int_0_uitofp_float(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_ne_int_0_uitofp_float(
; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[I:%.*]], 0
; CHECK-NEXT: ret i1 [[CMP]]
;
%f = uitofp i32 %i to float
%b = bitcast float %f to i32
%cmp = icmp ne i32 %b, 0
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_ne_int_0_uitofp_float_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_ne_int_0_uitofp_float_vec(
; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[I:%.*]], zeroinitializer
; CHECK-NEXT: ret <2 x i1> [[CMP]]
;
%f = uitofp <2 x i32> %i to <2 x float>
%b = bitcast <2 x float> %f to <2 x i32>
%cmp = icmp ne <2 x i32> %b, <i32 0, i32 0>
ret <2 x i1> %cmp
}
define <3 x i1> @i32_cast_cmp_ne_int_0_uitofp_float_vec_undef(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_ne_int_0_uitofp_float_vec_undef(
; CHECK-NEXT: [[CMP:%.*]] = icmp ne <3 x i32> [[I:%.*]], zeroinitializer
; CHECK-NEXT: ret <3 x i1> [[CMP]]
;
%f = uitofp <3 x i32> %i to <3 x float>
%b = bitcast <3 x float> %f to <3 x i32>
%cmp = icmp ne <3 x i32> %b, <i32 0, i32 undef, i32 0>
ret <3 x i1> %cmp
}
define i1 @i32_cast_cmp_eq_int_0_uitofp_double(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_eq_int_0_uitofp_double(
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[I:%.*]], 0
; CHECK-NEXT: ret i1 [[CMP]]
;
%f = uitofp i32 %i to double
%b = bitcast double %f to i64
%cmp = icmp eq i64 %b, 0
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_eq_int_0_uitofp_double_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_eq_int_0_uitofp_double_vec(
; CHECK-NEXT: [[CMP:%.*]] = icmp eq <2 x i32> [[I:%.*]], zeroinitializer
; CHECK-NEXT: ret <2 x i1> [[CMP]]
;
%f = uitofp <2 x i32> %i to <2 x double>
%b = bitcast <2 x double> %f to <2 x i64>
%cmp = icmp eq <2 x i64> %b, <i64 0, i64 0>
ret <2 x i1> %cmp
}
define <3 x i1> @i32_cast_cmp_eq_int_0_uitofp_double_vec_undef(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_eq_int_0_uitofp_double_vec_undef(
; CHECK-NEXT: [[CMP:%.*]] = icmp eq <3 x i32> [[I:%.*]], zeroinitializer
; CHECK-NEXT: ret <3 x i1> [[CMP]]
;
%f = uitofp <3 x i32> %i to <3 x double>
%b = bitcast <3 x double> %f to <3 x i64>
%cmp = icmp eq <3 x i64> %b, <i64 0, i64 undef, i64 0>
ret <3 x i1> %cmp
}
define i1 @i32_cast_cmp_ne_int_0_uitofp_double(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_ne_int_0_uitofp_double(
; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[I:%.*]], 0
; CHECK-NEXT: ret i1 [[CMP]]
;
%f = uitofp i32 %i to double
%b = bitcast double %f to i64
%cmp = icmp ne i64 %b, 0
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_ne_int_0_uitofp_double_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_ne_int_0_uitofp_double_vec(
; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[I:%.*]], zeroinitializer
; CHECK-NEXT: ret <2 x i1> [[CMP]]
;
%f = uitofp <2 x i32> %i to <2 x double>
%b = bitcast <2 x double> %f to <2 x i64>
%cmp = icmp ne <2 x i64> %b, <i64 0, i64 0>
ret <2 x i1> %cmp
}
define <3 x i1> @i32_cast_cmp_ne_int_0_uitofp_double_vec_undef(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_ne_int_0_uitofp_double_vec_undef(
; CHECK-NEXT: [[CMP:%.*]] = icmp ne <3 x i32> [[I:%.*]], zeroinitializer
; CHECK-NEXT: ret <3 x i1> [[CMP]]
;
%f = uitofp <3 x i32> %i to <3 x double>
%b = bitcast <3 x double> %f to <3 x i64>
%cmp = icmp ne <3 x i64> %b, <i64 0, i64 undef, i64 0>
ret <3 x i1> %cmp
}
define i1 @i32_cast_cmp_eq_int_0_uitofp_half(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_eq_int_0_uitofp_half(
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[I:%.*]], 0
; CHECK-NEXT: ret i1 [[CMP]]
;
%f = uitofp i32 %i to half
%b = bitcast half %f to i16
%cmp = icmp eq i16 %b, 0
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_eq_int_0_uitofp_half_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_eq_int_0_uitofp_half_vec(
; CHECK-NEXT: [[CMP:%.*]] = icmp eq <2 x i32> [[I:%.*]], zeroinitializer
; CHECK-NEXT: ret <2 x i1> [[CMP]]
;
%f = uitofp <2 x i32> %i to <2 x half>
%b = bitcast <2 x half> %f to <2 x i16>
%cmp = icmp eq <2 x i16> %b, <i16 0, i16 0>
ret <2 x i1> %cmp
}
define <3 x i1> @i32_cast_cmp_eq_int_0_uitofp_half_vec_undef(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_eq_int_0_uitofp_half_vec_undef(
; CHECK-NEXT: [[CMP:%.*]] = icmp eq <3 x i32> [[I:%.*]], zeroinitializer
; CHECK-NEXT: ret <3 x i1> [[CMP]]
;
%f = uitofp <3 x i32> %i to <3 x half>
%b = bitcast <3 x half> %f to <3 x i16>
%cmp = icmp eq <3 x i16> %b, <i16 0, i16 undef, i16 0>
ret <3 x i1> %cmp
}
define i1 @i32_cast_cmp_ne_int_0_uitofp_half(i32 %i) {
; CHECK-LABEL: @i32_cast_cmp_ne_int_0_uitofp_half(
; CHECK-NEXT: [[CMP:%.*]] = icmp ne i32 [[I:%.*]], 0
; CHECK-NEXT: ret i1 [[CMP]]
;
%f = uitofp i32 %i to half
%b = bitcast half %f to i16
%cmp = icmp ne i16 %b, 0
ret i1 %cmp
}
define <2 x i1> @i32_cast_cmp_ne_int_0_uitofp_half_vec(<2 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_ne_int_0_uitofp_half_vec(
; CHECK-NEXT: [[CMP:%.*]] = icmp ne <2 x i32> [[I:%.*]], zeroinitializer
; CHECK-NEXT: ret <2 x i1> [[CMP]]
;
%f = uitofp <2 x i32> %i to <2 x half>
%b = bitcast <2 x half> %f to <2 x i16>
%cmp = icmp ne <2 x i16> %b, <i16 0, i16 0>
ret <2 x i1> %cmp
}
define <3 x i1> @i32_cast_cmp_ne_int_0_uitofp_half_vec_undef(<3 x i32> %i) {
; CHECK-LABEL: @i32_cast_cmp_ne_int_0_uitofp_half_vec_undef(
; CHECK-NEXT: [[CMP:%.*]] = icmp ne <3 x i32> [[I:%.*]], zeroinitializer
; CHECK-NEXT: ret <3 x i1> [[CMP]]
;
%f = uitofp <3 x i32> %i to <3 x half>
%b = bitcast <3 x half> %f to <3 x i16>
%cmp = icmp ne <3 x i16> %b, <i16 0, i16 undef, i16 0>
ret <3 x i1> %cmp
}
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