1 ; RUN: opt < %s -default-data-layout="e-p:64:64:64-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64" -instcombine -S | FileCheck %s --check-prefix=LE
2 ; RUN: opt < %s -default-data-layout="E-p:64:64:64-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64" -instcombine -S | FileCheck %s --check-prefix=BE
4 ; {{ 0xDEADBEEF, 0xBA }, 0xCAFEBABE}
5 @g1 = constant {{i32,i8},i32} {{i32,i8} { i32 -559038737, i8 186 }, i32 -889275714 }
6 @g2 = constant double 1.0
8 @g3 = constant {i64, i64} { i64 123, i64 112312312 }
12 %r = load i32, i32* getelementptr ({{i32,i8},i32}, {{i32,i8},i32}* @g1, i32 0, i32 0, i32 0)
17 ; LE: ret i32 -559038737
21 ; BE: ret i32 -559038737
25 ; Load of first 16 bits of 32-bit value.
27 %r = load i16, i16* bitcast(i32* getelementptr ({{i32,i8},i32}, {{i32,i8},i32}* @g1, i32 0, i32 0, i32 0) to i16*)
39 define i16 @test2_addrspacecast() {
40 %r = load i16, i16 addrspace(1)* addrspacecast(i32* getelementptr ({{i32,i8},i32}, {{i32,i8},i32}* @g1, i32 0, i32 0, i32 0) to i16 addrspace(1)*)
44 ; LE-LABEL: @test2_addrspacecast(
48 ; BE-LABEL: @test2_addrspacecast(
52 ; Load of second 16 bits of 32-bit value.
54 %r = load i16, i16* getelementptr(i16, i16* bitcast(i32* getelementptr ({{i32,i8},i32}, {{i32,i8},i32}* @g1, i32 0, i32 0, i32 0) to i16*), i32 1)
66 ; Load of 8 bit field + tail padding.
68 %r = load i16, i16* getelementptr(i16, i16* bitcast(i32* getelementptr ({{i32,i8},i32}, {{i32,i8},i32}* @g1, i32 0, i32 0, i32 0) to i16*), i32 2)
80 ; Load of double bits.
82 %r = load i64, i64* bitcast(double* @g2 to i64*)
87 ; LE: ret i64 4607182418800017408
91 ; BE: ret i64 4607182418800017408
94 ; Load of double bits.
96 %r = load i16, i16* bitcast(double* @g2 to i16*)
109 define double @test8() {
110 %r = load double, double* bitcast({{i32,i8},i32}* @g1 to double*)
114 ; LE: ret double 0xBADEADBEEF
117 ; BE: ret double 0xDEADBEEFBA000000
122 define i128 @test9() {
123 %r = load i128, i128* bitcast({i64, i64}* @g3 to i128*)
126 ; 0x00000000_06B1BFF8_00000000_0000007B
128 ; LE: ret i128 2071796475790618158476296315
130 ; 0x00000000_0000007B_00000000_06B1BFF8
132 ; BE: ret i128 2268949521066387161080
136 define <2 x i64> @test10() {
137 %r = load <2 x i64>, <2 x i64>* bitcast({i64, i64}* @g3 to <2 x i64>*)
141 ; LE: ret <2 x i64> <i64 123, i64 112312312>
144 ; BE: ret <2 x i64> <i64 123, i64 112312312>
150 @g4 = internal constant { i8, i8 } { i8 -95, i8 8 }
152 define i16 @test11() nounwind {
154 %a = load i16, i16* bitcast ({ i8, i8 }* @g4 to i16*)
168 @test12g = private constant [6 x i8] c"a\00b\00\00\00"
170 define i16 @test12() {
171 %a = load i16, i16* getelementptr inbounds ([3 x i16], [3 x i16]* bitcast ([6 x i8]* @test12g to [3 x i16]*), i32 0, i64 1)
186 define i1 @test13() {
187 %A = load i1, i1* bitcast (i8* @g5 to i1*)
197 @g6 = constant [2 x i8*] [i8* inttoptr (i64 1 to i8*), i8* inttoptr (i64 2 to i8*)]
198 define i64 @test14() nounwind {
200 %tmp = load i64, i64* bitcast ([2 x i8*]* @g6 to i64*)
210 ; Check with address space pointers
211 @g6_as1 = constant [2 x i8 addrspace(1)*] [i8 addrspace(1)* inttoptr (i16 1 to i8 addrspace(1)*), i8 addrspace(1)* inttoptr (i16 2 to i8 addrspace(1)*)]
212 define i16 @test14_as1() nounwind {
214 %tmp = load i16, i16* bitcast ([2 x i8 addrspace(1)*]* @g6_as1 to i16*)
224 define i64 @test15() nounwind {
226 %tmp = load i64, i64* bitcast (i8** getelementptr inbounds ([2 x i8*], [2 x i8*]* @g6, i32 0, i64 1) to i64*)
236 @gv7 = constant [4 x i8*] [i8* null, i8* inttoptr (i64 -14 to i8*), i8* null, i8* null]
237 define i64 @test16.1() {
238 %v = load i64, i64* bitcast ([4 x i8*]* @gv7 to i64*), align 8
241 ; LE-LABEL: @test16.1(
244 ; BE-LABEL: @test16.1(
248 define i64 @test16.2() {
249 %v = load i64, i64* bitcast (i8** getelementptr inbounds ([4 x i8*], [4 x i8*]* @gv7, i64 0, i64 1) to i64*), align 8
252 ; LE-LABEL: @test16.2(
255 ; BE-LABEL: @test16.2(
259 define i64 @test16.3() {
260 %v = load i64, i64* bitcast (i8** getelementptr inbounds ([4 x i8*], [4 x i8*]* @gv7, i64 0, i64 2) to i64*), align 8
263 ; LE-LABEL: @test16.3(
266 ; BE-LABEL: @test16.3(