; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
define double @a(<1 x i64> %y) {
; CHECK-LABEL: @a(
; CHECK-NEXT: [[BC:%.*]] = bitcast <1 x i64> [[Y:%.*]] to <1 x double>
; CHECK-NEXT: [[C:%.*]] = extractelement <1 x double> [[BC]], i64 0
; CHECK-NEXT: ret double [[C]]
;
%c = bitcast <1 x i64> %y to double
ret double %c
}
define i64 @b(<1 x i64> %y) {
; CHECK-LABEL: @b(
; CHECK-NEXT: [[TMP1:%.*]] = extractelement <1 x i64> [[Y:%.*]], i64 0
; CHECK-NEXT: ret i64 [[TMP1]]
;
%c = bitcast <1 x i64> %y to i64
ret i64 %c
}
define <1 x i64> @c(double %y) {
; CHECK-LABEL: @c(
; CHECK-NEXT: [[C:%.*]] = bitcast double [[Y:%.*]] to <1 x i64>
; CHECK-NEXT: ret <1 x i64> [[C]]
;
%c = bitcast double %y to <1 x i64>
ret <1 x i64> %c
}
define <1 x i64> @d(i64 %y) {
; CHECK-LABEL: @d(
; CHECK-NEXT: [[C:%.*]] = insertelement <1 x i64> poison, i64 [[Y:%.*]], i64 0
; CHECK-NEXT: ret <1 x i64> [[C]]
;
%c = bitcast i64 %y to <1 x i64>
ret <1 x i64> %c
}
; FP source is ok.
define <3 x i64> @bitcast_inselt_undef(double %x, i32 %idx) {
; CHECK-LABEL: @bitcast_inselt_undef(
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <3 x double> poison, double [[X:%.*]], i32 [[IDX:%.*]]
; CHECK-NEXT: [[I:%.*]] = bitcast <3 x double> [[TMP1]] to <3 x i64>
; CHECK-NEXT: ret <3 x i64> [[I]]
;
%xb = bitcast double %x to i64
%i = insertelement <3 x i64> poison, i64 %xb, i32 %idx
ret <3 x i64> %i
}
; Integer source is ok; index is anything.
define <3 x float> @bitcast_inselt_undef_fp(i32 %x, i567 %idx) {
; CHECK-LABEL: @bitcast_inselt_undef_fp(
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <3 x i32> poison, i32 [[X:%.*]], i567 [[IDX:%.*]]
; CHECK-NEXT: [[I:%.*]] = bitcast <3 x i32> [[TMP1]] to <3 x float>
; CHECK-NEXT: ret <3 x float> [[I]]
;
%xb = bitcast i32 %x to float
%i = insertelement <3 x float> poison, float %xb, i567 %idx
ret <3 x float> %i
}
define <vscale x 3 x float> @bitcast_inselt_undef_vscale(i32 %x, i567 %idx) {
; CHECK-LABEL: @bitcast_inselt_undef_vscale(
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <vscale x 3 x i32> poison, i32 [[X:%.*]], i567 [[IDX:%.*]]
; CHECK-NEXT: [[I:%.*]] = bitcast <vscale x 3 x i32> [[TMP1]] to <vscale x 3 x float>
; CHECK-NEXT: ret <vscale x 3 x float> [[I]]
;
%xb = bitcast i32 %x to float
%i = insertelement <vscale x 3 x float> poison, float %xb, i567 %idx
ret <vscale x 3 x float> %i
}
declare void @use(i64)
; Negative test - extra use prevents canonicalization
define <3 x i64> @bitcast_inselt_undef_extra_use(double %x, i32 %idx) {
; CHECK-LABEL: @bitcast_inselt_undef_extra_use(
; CHECK-NEXT: [[XB:%.*]] = bitcast double [[X:%.*]] to i64
; CHECK-NEXT: call void @use(i64 [[XB]])
; CHECK-NEXT: [[I:%.*]] = insertelement <3 x i64> poison, i64 [[XB]], i32 [[IDX:%.*]]
; CHECK-NEXT: ret <3 x i64> [[I]]
;
%xb = bitcast double %x to i64
call void @use(i64 %xb)
%i = insertelement <3 x i64> poison, i64 %xb, i32 %idx
ret <3 x i64> %i
}
; Negative test - source type must be scalar
define <3 x i64> @bitcast_inselt_undef_vec_src(<2 x i32> %x, i32 %idx) {
; CHECK-LABEL: @bitcast_inselt_undef_vec_src(
; CHECK-NEXT: [[XB:%.*]] = bitcast <2 x i32> [[X:%.*]] to i64
; CHECK-NEXT: [[I:%.*]] = insertelement <3 x i64> poison, i64 [[XB]], i32 [[IDX:%.*]]
; CHECK-NEXT: ret <3 x i64> [[I]]
;
%xb = bitcast <2 x i32> %x to i64
%i = insertelement <3 x i64> poison, i64 %xb, i32 %idx
ret <3 x i64> %i
}
; Reduce number of casts
define <2 x i64> @PR45748(double %x, double %y) {
; CHECK-LABEL: @PR45748(
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x double> poison, double [[X:%.*]], i64 0
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x double> [[TMP1]], double [[Y:%.*]], i64 1
; CHECK-NEXT: [[I1:%.*]] = bitcast <2 x double> [[TMP2]] to <2 x i64>
; CHECK-NEXT: ret <2 x i64> [[I1]]
;
%xb = bitcast double %x to i64
%i0 = insertelement <2 x i64> poison, i64 %xb, i32 0
%yb = bitcast double %y to i64
%i1 = insertelement <2 x i64> %i0, i64 %yb, i32 1
ret <2 x i64> %i1
}
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