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; RUN: opt < %s -instcombine -S | FileCheck %s
; Check all scalar / vector combinations for a pair of bitcasts.
define ppc_fp128 @bitcast_bitcast_s_s_s(i128 %a) {
%bc1 = bitcast i128 %a to fp128
%bc2 = bitcast fp128 %bc1 to ppc_fp128
ret ppc_fp128 %bc2
; CHECK-LABEL: @bitcast_bitcast_s_s_s(
; CHECK-NEXT: %bc2 = bitcast i128 %a to ppc_fp128
; CHECK-NEXT: ret ppc_fp128 %bc2
}
define <2 x i32> @bitcast_bitcast_s_s_v(i64 %a) {
%bc1 = bitcast i64 %a to double
%bc2 = bitcast double %bc1 to <2 x i32>
ret <2 x i32> %bc2
; CHECK-LABEL: @bitcast_bitcast_s_s_v(
; CHECK-NEXT: %bc2 = bitcast i64 %a to <2 x i32>
; CHECK-NEXT: ret <2 x i32> %bc2
}
define double @bitcast_bitcast_s_v_s(i64 %a) {
%bc1 = bitcast i64 %a to <2 x i32>
%bc2 = bitcast <2 x i32> %bc1 to double
ret double %bc2
; CHECK-LABEL: @bitcast_bitcast_s_v_s(
; CHECK-NEXT: %bc2 = bitcast i64 %a to double
; CHECK-NEXT: ret double %bc2
}
define <2 x i32> @bitcast_bitcast_s_v_v(i64 %a) {
%bc1 = bitcast i64 %a to <4 x i16>
%bc2 = bitcast <4 x i16> %bc1 to <2 x i32>
ret <2 x i32> %bc2
; CHECK-LABEL: @bitcast_bitcast_s_v_v(
; CHECK-NEXT: %bc2 = bitcast i64 %a to <2 x i32>
; CHECK-NEXT: ret <2 x i32> %bc2
}
define i64 @bitcast_bitcast_v_s_s(<2 x i32> %a) {
%bc1 = bitcast <2 x i32> %a to double
%bc2 = bitcast double %bc1 to i64
ret i64 %bc2
; CHECK-LABEL: @bitcast_bitcast_v_s_s(
; CHECK-NEXT: %bc2 = bitcast <2 x i32> %a to i64
; CHECK-NEXT: ret i64 %bc2
}
define <4 x i16> @bitcast_bitcast_v_s_v(<2 x i32> %a) {
%bc1 = bitcast <2 x i32> %a to double
%bc2 = bitcast double %bc1 to <4 x i16>
ret <4 x i16> %bc2
; CHECK-LABEL: @bitcast_bitcast_v_s_v(
; CHECK-NEXT: %bc2 = bitcast <2 x i32> %a to <4 x i16>
; CHECK-NEXT: ret <4 x i16> %bc2
}
define double @bitcast_bitcast_v_v_s(<2 x float> %a) {
%bc1 = bitcast <2 x float> %a to <4 x i16>
%bc2 = bitcast <4 x i16> %bc1 to double
ret double %bc2
; CHECK-LABEL: @bitcast_bitcast_v_v_s(
; CHECK-NEXT: %bc2 = bitcast <2 x float> %a to double
; CHECK-NEXT: ret double %bc2
}
define <2 x i32> @bitcast_bitcast_v_v_v(<2 x float> %a) {
%bc1 = bitcast <2 x float> %a to <4 x i16>
%bc2 = bitcast <4 x i16> %bc1 to <2 x i32>
ret <2 x i32> %bc2
; CHECK-LABEL: @bitcast_bitcast_v_v_v(
; CHECK-NEXT: %bc2 = bitcast <2 x float> %a to <2 x i32>
; CHECK-NEXT: ret <2 x i32> %bc2
}
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