1 ; RUN: opt < %s -instcombine -S | FileCheck %s
3 ; Check all scalar / vector combinations for a pair of bitcasts.
5 define ppc_fp128 @bitcast_bitcast_s_s_s(i128 %a) {
6 %bc1 = bitcast i128 %a to fp128
7 %bc2 = bitcast fp128 %bc1 to ppc_fp128
10 ; CHECK-LABEL: @bitcast_bitcast_s_s_s(
11 ; CHECK-NEXT: %bc2 = bitcast i128 %a to ppc_fp128
12 ; CHECK-NEXT: ret ppc_fp128 %bc2
15 define <2 x i32> @bitcast_bitcast_s_s_v(i64 %a) {
16 %bc1 = bitcast i64 %a to double
17 %bc2 = bitcast double %bc1 to <2 x i32>
20 ; CHECK-LABEL: @bitcast_bitcast_s_s_v(
21 ; CHECK-NEXT: %bc1 = bitcast i64 %a to double
22 ; CHECK-NEXT: %bc2 = bitcast double %bc1 to <2 x i32>
23 ; CHECK-NEXT: ret <2 x i32> %bc2
26 define double @bitcast_bitcast_s_v_s(i64 %a) {
27 %bc1 = bitcast i64 %a to <2 x i32>
28 %bc2 = bitcast <2 x i32> %bc1 to double
31 ; CHECK-LABEL: @bitcast_bitcast_s_v_s(
32 ; CHECK-NEXT: %bc1 = bitcast i64 %a to <2 x i32>
33 ; CHECK-NEXT: %bc2 = bitcast <2 x i32> %bc1 to double
34 ; CHECK-NEXT: ret double %bc2
37 define <2 x i32> @bitcast_bitcast_s_v_v(i64 %a) {
38 %bc1 = bitcast i64 %a to <4 x i16>
39 %bc2 = bitcast <4 x i16> %bc1 to <2 x i32>
42 ; CHECK-LABEL: @bitcast_bitcast_s_v_v(
43 ; CHECK-NEXT: %bc1 = bitcast i64 %a to <4 x i16>
44 ; CHECK-NEXT: %bc2 = bitcast <4 x i16> %bc1 to <2 x i32>
45 ; CHECK-NEXT: ret <2 x i32> %bc2
48 define i64 @bitcast_bitcast_v_s_s(<2 x i32> %a) {
49 %bc1 = bitcast <2 x i32> %a to double
50 %bc2 = bitcast double %bc1 to i64
53 ; CHECK-LABEL: @bitcast_bitcast_v_s_s(
54 ; CHECK-NEXT: %bc1 = bitcast <2 x i32> %a to double
55 ; CHECK-NEXT: %bc2 = bitcast double %bc1 to i64
56 ; CHECK-NEXT: ret i64 %bc2
59 define <4 x i16> @bitcast_bitcast_v_s_v(<2 x i32> %a) {
60 %bc1 = bitcast <2 x i32> %a to double
61 %bc2 = bitcast double %bc1 to <4 x i16>
64 ; CHECK-LABEL: @bitcast_bitcast_v_s_v(
65 ; CHECK-NEXT: %bc1 = bitcast <2 x i32> %a to double
66 ; CHECK-NEXT: %bc2 = bitcast double %bc1 to <4 x i16>
67 ; CHECK-NEXT: ret <4 x i16> %bc2
70 define double @bitcast_bitcast_v_v_s(<2 x float> %a) {
71 %bc1 = bitcast <2 x float> %a to <4 x i16>
72 %bc2 = bitcast <4 x i16> %bc1 to double
75 ; CHECK-LABEL: @bitcast_bitcast_v_v_s(
76 ; CHECK-NEXT: %bc1 = bitcast <2 x float> %a to <4 x i16>
77 ; CHECK-NEXT: %bc2 = bitcast <4 x i16> %bc1 to double
78 ; CHECK-NEXT: ret double %bc2
81 define <2 x i32> @bitcast_bitcast_v_v_v(<2 x float> %a) {
82 %bc1 = bitcast <2 x float> %a to <4 x i16>
83 %bc2 = bitcast <4 x i16> %bc1 to <2 x i32>
86 ; CHECK-LABEL: @bitcast_bitcast_v_v_v(
87 ; CHECK-NEXT: %bc2 = bitcast <2 x float> %a to <2 x i32>
88 ; CHECK-NEXT: ret <2 x i32> %bc2