-; RUN: opt < %s -instcombine -S | FileCheck %s
+; 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
+; 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
-target datalayout = "e-p:64:64:64-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-f80:128:128"
-
-@test1 = constant {{i32,i8},i32} {{i32,i8} { i32 -559038737, i8 186 }, i32 -889275714 }
-@test2 = constant double 1.0
+; {{ 0xDEADBEEF, 0xBA }, 0xCAFEBABE}
+@g1 = constant {{i32,i8},i32} {{i32,i8} { i32 -559038737, i8 186 }, i32 -889275714 }
+@g2 = constant double 1.0
+; { 0x7B, 0x06B1BFF8 }
+@g3 = constant {i64, i64} { i64 123, i64 112312312 }
; Simple load
define i32 @test1() {
- %r = load i32* getelementptr ({{i32,i8},i32}* @test1, i32 0, i32 0, i32 0)
+ %r = load i32, i32* getelementptr ({{i32,i8},i32}, {{i32,i8},i32}* @g1, i32 0, i32 0, i32 0)
ret i32 %r
-; @test1
-; CHECK: ret i32 -559038737
+
+; 0xDEADBEEF
+; LE-LABEL: @test1(
+; LE: ret i32 -559038737
+
+; 0xDEADBEEF
+; BE-LABEL: @test1(
+; BE: ret i32 -559038737
}
; PR3152
; Load of first 16 bits of 32-bit value.
define i16 @test2() {
- %r = load i16* bitcast(i32* getelementptr ({{i32,i8},i32}* @test1, i32 0, i32 0, i32 0) to i16*)
+ %r = load i16, i16* bitcast(i32* getelementptr ({{i32,i8},i32}, {{i32,i8},i32}* @g1, i32 0, i32 0, i32 0) to i16*)
ret i16 %r
-; @test2
-; CHECK: ret i16 -16657
+; 0xBEEF
+; LE-LABEL: @test2(
+; LE: ret i16 -16657
+
+; 0xDEAD
+; BE-LABEL: @test2(
+; BE: ret i16 -8531
+}
+
+define i16 @test2_addrspacecast() {
+ %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)*)
+ ret i16 %r
+
+; FIXME: Should be able to load through a constant addrspacecast.
+; 0xBEEF
+; LE-LABEL: @test2_addrspacecast(
+; XLE: ret i16 -16657
+; LE: load i16, i16 addrspace(1)* addrspacecast
+
+; 0xDEAD
+; BE-LABEL: @test2_addrspacecast(
+; XBE: ret i16 -8531
+; BE: load i16, i16 addrspace(1)* addrspacecast
}
; Load of second 16 bits of 32-bit value.
define i16 @test3() {
- %r = load i16* getelementptr(i16* bitcast(i32* getelementptr ({{i32,i8},i32}* @test1, i32 0, i32 0, i32 0) to i16*), i32 1)
+ %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)
ret i16 %r
-; @test3
-; CHECK: ret i16 -8531
+; 0xDEAD
+; LE-LABEL: @test3(
+; LE: ret i16 -8531
+
+; 0xBEEF
+; BE-LABEL: @test3(
+; BE: ret i16 -16657
}
; Load of 8 bit field + tail padding.
define i16 @test4() {
- %r = load i16* getelementptr(i16* bitcast(i32* getelementptr ({{i32,i8},i32}* @test1, i32 0, i32 0, i32 0) to i16*), i32 2)
+ %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)
ret i16 %r
-; @test4
-; CHECK: ret i16 186
+
+; 0x00BA
+; LE-LABEL: @test4(
+; LE: ret i16 186
+
+; 0xBA00
+; BE-LABEL: @test4(
+; BE: ret i16 -17920
}
; Load of double bits.
define i64 @test6() {
- %r = load i64* bitcast(double* @test2 to i64*)
+ %r = load i64, i64* bitcast(double* @g2 to i64*)
ret i64 %r
-; @test6
-; CHECK: ret i64 4607182418800017408
+; 0x3FF_0000000000000
+; LE-LABEL: @test6(
+; LE: ret i64 4607182418800017408
+
+; 0x3FF_0000000000000
+; BE-LABEL: @test6(
+; BE: ret i64 4607182418800017408
}
; Load of double bits.
define i16 @test7() {
- %r = load i16* bitcast(double* @test2 to i16*)
+ %r = load i16, i16* bitcast(double* @g2 to i16*)
ret i16 %r
-; @test7
-; CHECK: ret i16 0
+; 0x0000
+; LE-LABEL: @test7(
+; LE: ret i16 0
+
+; 0x3FF0
+; BE-LABEL: @test7(
+; BE: ret i16 16368
}
; Double load.
define double @test8() {
- %r = load double* bitcast({{i32,i8},i32}* @test1 to double*)
+ %r = load double, double* bitcast({{i32,i8},i32}* @g1 to double*)
ret double %r
-; @test8
-; CHECK: ret double 0xDEADBEBA
+; LE-LABEL: @test8(
+; LE: ret double 0xBADEADBEEF
+
+; BE-LABEL: @test8(
+; BE: ret double 0xDEADBEEFBA000000
+}
+
+
+; i128 load.
+define i128 @test9() {
+ %r = load i128, i128* bitcast({i64, i64}* @g3 to i128*)
+ ret i128 %r
+
+; 0x00000000_06B1BFF8_00000000_0000007B
+; LE-LABEL: @test9(
+; LE: ret i128 2071796475790618158476296315
+
+; 0x00000000_0000007B_00000000_06B1BFF8
+; BE-LABEL: @test9(
+; BE: ret i128 2268949521066387161080
+}
+
+; vector load.
+define <2 x i64> @test10() {
+ %r = load <2 x i64>, <2 x i64>* bitcast({i64, i64}* @g3 to <2 x i64>*)
+ ret <2 x i64> %r
+
+; LE-LABEL: @test10(
+; LE: ret <2 x i64> <i64 123, i64 112312312>
+
+; BE-LABEL: @test10(
+; BE: ret <2 x i64> <i64 123, i64 112312312>
+}
+
+
+; PR5287
+; { 0xA1, 0x08 }
+@g4 = internal constant { i8, i8 } { i8 -95, i8 8 }
+
+define i16 @test11() nounwind {
+entry:
+ %a = load i16, i16* bitcast ({ i8, i8 }* @g4 to i16*)
+ ret i16 %a
+
+; 0x08A1
+; LE-LABEL: @test11(
+; LE: ret i16 2209
+
+; 0xA108
+; BE-LABEL: @test11(
+; BE: ret i16 -24312
+}
+
+
+; PR5551
+@test12g = private constant [6 x i8] c"a\00b\00\00\00"
+
+define i16 @test12() {
+ %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)
+ ret i16 %a
+
+; 0x0062
+; LE-LABEL: @test12(
+; LE: ret i16 98
+
+; 0x6200
+; BE-LABEL: @test12(
+; BE: ret i16 25088
+}
+
+
+; PR5978
+@g5 = constant i8 4
+define i1 @test13() {
+ %A = load i1, i1* bitcast (i8* @g5 to i1*)
+ ret i1 %A
+
+; LE-LABEL: @test13(
+; LE: ret i1 false
+
+; BE-LABEL: @test13(
+; BE: ret i1 false
+}
+
+@g6 = constant [2 x i8*] [i8* inttoptr (i64 1 to i8*), i8* inttoptr (i64 2 to i8*)]
+define i64 @test14() nounwind {
+entry:
+ %tmp = load i64, i64* bitcast ([2 x i8*]* @g6 to i64*)
+ ret i64 %tmp
+
+; LE-LABEL: @test14(
+; LE: ret i64 1
+
+; BE-LABEL: @test14(
+; BE: ret i64 1
+}
+
+; Check with address space pointers
+@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)*)]
+define i16 @test14_as1() nounwind {
+entry:
+ %tmp = load i16, i16* bitcast ([2 x i8 addrspace(1)*]* @g6_as1 to i16*)
+ ret i16 %tmp
+
+; LE: @test14_as1
+; LE: ret i16 1
+
+; BE: @test14_as1
+; BE: ret i16 1
+}
+
+define i64 @test15() nounwind {
+entry:
+ %tmp = load i64, i64* bitcast (i8** getelementptr inbounds ([2 x i8*], [2 x i8*]* @g6, i32 0, i64 1) to i64*)
+ ret i64 %tmp
+
+; LE-LABEL: @test15(
+; LE: ret i64 2
+
+; BE-LABEL: @test15(
+; BE: ret i64 2
+}
+
+@gv7 = constant [4 x i8*] [i8* null, i8* inttoptr (i64 -14 to i8*), i8* null, i8* null]
+define i64 @test16.1() {
+ %v = load i64, i64* bitcast ([4 x i8*]* @gv7 to i64*), align 8
+ ret i64 %v
+
+; LE-LABEL: @test16.1(
+; LE: ret i64 0
+
+; BE-LABEL: @test16.1(
+; BE: ret i64 0
+}
+
+define i64 @test16.2() {
+ %v = load i64, i64* bitcast (i8** getelementptr inbounds ([4 x i8*], [4 x i8*]* @gv7, i64 0, i64 1) to i64*), align 8
+ ret i64 %v
+
+; LE-LABEL: @test16.2(
+; LE: ret i64 -14
+
+; BE-LABEL: @test16.2(
+; BE: ret i64 -14
+}
+
+define i64 @test16.3() {
+ %v = load i64, i64* bitcast (i8** getelementptr inbounds ([4 x i8*], [4 x i8*]* @gv7, i64 0, i64 2) to i64*), align 8
+ ret i64 %v
+
+; LE-LABEL: @test16.3(
+; LE: ret i64 0
+
+; BE-LABEL: @test16.3(
+; BE: ret i64 0
}
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