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-rw-r--r--test/Transforms/InstCombine/getelementptr.ll438
1 files changed, 359 insertions, 79 deletions
diff --git a/test/Transforms/InstCombine/getelementptr.ll b/test/Transforms/InstCombine/getelementptr.ll
index bb07736ef803..c29a7dccb8ee 100644
--- a/test/Transforms/InstCombine/getelementptr.ll
+++ b/test/Transforms/InstCombine/getelementptr.ll
@@ -1,6 +1,7 @@
; RUN: opt < %s -instcombine -S | FileCheck %s
-target datalayout = "e-p:64:64"
+target datalayout = "e-p:64:64-p1:16:16-p2:32:32:32"
+
%intstruct = type { i32 }
%pair = type { i32, i32 }
%struct.B = type { double }
@@ -8,20 +9,28 @@ target datalayout = "e-p:64:64"
@Global = constant [10 x i8] c"helloworld"
+@Global_as1 = addrspace(1) constant [10 x i8] c"helloworld"
; Test noop elimination
define i32* @test1(i32* %I) {
- %A = getelementptr i32* %I, i64 0
+ %A = getelementptr i32* %I, i64 0
ret i32* %A
-; CHECK: @test1
+; CHECK-LABEL: @test1(
; CHECK: ret i32* %I
}
+define i32 addrspace(1)* @test1_as1(i32 addrspace(1)* %I) {
+ %A = getelementptr i32 addrspace(1)* %I, i64 0
+ ret i32 addrspace(1)* %A
+; CHECK-LABEL: @test1_as1(
+; CHECK: ret i32 addrspace(1)* %I
+}
+
; Test noop elimination
define i32* @test2(i32* %I) {
%A = getelementptr i32* %I
ret i32* %A
-; CHECK: @test2
+; CHECK-LABEL: @test2(
; CHECK: ret i32* %I
}
@@ -30,52 +39,88 @@ define i32* @test3(i32* %I) {
%A = getelementptr i32* %I, i64 17
%B = getelementptr i32* %A, i64 4
ret i32* %B
-; CHECK: @test3
+; CHECK-LABEL: @test3(
; CHECK: getelementptr i32* %I, i64 21
}
; Test that two getelementptr insts fold
define i32* @test4({ i32 }* %I) {
- %A = getelementptr { i32 }* %I, i64 1
+ %A = getelementptr { i32 }* %I, i64 1
%B = getelementptr { i32 }* %A, i64 0, i32 0
ret i32* %B
-; CHECK: @test4
+; CHECK-LABEL: @test4(
; CHECK: getelementptr { i32 }* %I, i64 1, i32 0
}
define void @test5(i8 %B) {
; This should be turned into a constexpr instead of being an instruction
- %A = getelementptr [10 x i8]* @Global, i64 0, i64 4
+ %A = getelementptr [10 x i8]* @Global, i64 0, i64 4
store i8 %B, i8* %A
ret void
-; CHECK: @test5
+; CHECK-LABEL: @test5(
; CHECK: store i8 %B, i8* getelementptr inbounds ([10 x i8]* @Global, i64 0, i64 4)
}
+define void @test5_as1(i8 %B) {
+ ; This should be turned into a constexpr instead of being an instruction
+ %A = getelementptr [10 x i8] addrspace(1)* @Global_as1, i16 0, i16 4
+ store i8 %B, i8 addrspace(1)* %A
+ ret void
+; CHECK-LABEL: @test5_as1(
+; CHECK: store i8 %B, i8 addrspace(1)* getelementptr inbounds ([10 x i8] addrspace(1)* @Global_as1, i16 0, i16 4)
+}
+
+%as1_ptr_struct = type { i32 addrspace(1)* }
+%as2_ptr_struct = type { i32 addrspace(2)* }
+
+@global_as2 = addrspace(2) global i32 zeroinitializer
+@global_as1_as2_ptr = addrspace(1) global %as2_ptr_struct { i32 addrspace(2)* @global_as2 }
+
+; This should be turned into a constexpr instead of being an instruction
+define void @test_evaluate_gep_nested_as_ptrs(i32 addrspace(2)* %B) {
+; CHECK-LABEL: @test_evaluate_gep_nested_as_ptrs(
+; CHECK-NEXT: store i32 addrspace(2)* %B, i32 addrspace(2)* addrspace(1)* getelementptr inbounds (%as2_ptr_struct addrspace(1)* @global_as1_as2_ptr, i16 0, i32 0), align 8
+; CHECK-NEXT: ret void
+ %A = getelementptr %as2_ptr_struct addrspace(1)* @global_as1_as2_ptr, i16 0, i32 0
+ store i32 addrspace(2)* %B, i32 addrspace(2)* addrspace(1)* %A
+ ret void
+}
+
+@arst = addrspace(1) global [4 x i8 addrspace(2)*] zeroinitializer
+
+define void @test_evaluate_gep_as_ptrs_array(i8 addrspace(2)* %B) {
+; CHECK-LABEL: @test_evaluate_gep_as_ptrs_array(
+; CHECK-NEXT: store i8 addrspace(2)* %B, i8 addrspace(2)* addrspace(1)* getelementptr inbounds ([4 x i8 addrspace(2)*] addrspace(1)* @arst, i16 0, i16 2), align 4
+
+; CHECK-NEXT: ret void
+ %A = getelementptr [4 x i8 addrspace(2)*] addrspace(1)* @arst, i16 0, i16 2
+ store i8 addrspace(2)* %B, i8 addrspace(2)* addrspace(1)* %A
+ ret void
+}
define i32* @test7(i32* %I, i64 %C, i64 %D) {
- %A = getelementptr i32* %I, i64 %C
- %B = getelementptr i32* %A, i64 %D
+ %A = getelementptr i32* %I, i64 %C
+ %B = getelementptr i32* %A, i64 %D
ret i32* %B
-; CHECK: @test7
+; CHECK-LABEL: @test7(
; CHECK: %A.sum = add i64 %C, %D
; CHECK: getelementptr i32* %I, i64 %A.sum
}
define i8* @test8([10 x i32]* %X) {
;; Fold into the cast.
- %A = getelementptr [10 x i32]* %X, i64 0, i64 0
- %B = bitcast i32* %A to i8*
+ %A = getelementptr [10 x i32]* %X, i64 0, i64 0
+ %B = bitcast i32* %A to i8*
ret i8* %B
-; CHECK: @test8
+; CHECK-LABEL: @test8(
; CHECK: bitcast [10 x i32]* %X to i8*
}
define i32 @test9() {
%A = getelementptr { i32, double }* null, i32 0, i32 1
- %B = ptrtoint double* %A to i32
+ %B = ptrtoint double* %A to i32
ret i32 %B
-; CHECK: @test9
+; CHECK-LABEL: @test9(
; CHECK: ret i32 8
}
@@ -83,17 +128,17 @@ define i1 @test10({ i32, i32 }* %x, { i32, i32 }* %y) {
%tmp.1 = getelementptr { i32, i32 }* %x, i32 0, i32 1
%tmp.3 = getelementptr { i32, i32 }* %y, i32 0, i32 1
;; seteq x, y
- %tmp.4 = icmp eq i32* %tmp.1, %tmp.3
+ %tmp.4 = icmp eq i32* %tmp.1, %tmp.3
ret i1 %tmp.4
-; CHECK: @test10
+; CHECK-LABEL: @test10(
; CHECK: icmp eq { i32, i32 }* %x, %y
}
define i1 @test11({ i32, i32 }* %X) {
- %P = getelementptr { i32, i32 }* %X, i32 0, i32 0
- %Q = icmp eq i32* %P, null
+ %P = getelementptr { i32, i32 }* %X, i32 0, i32 0
+ %Q = icmp eq i32* %P, null
ret i1 %Q
-; CHECK: @test11
+; CHECK-LABEL: @test11(
; CHECK: icmp eq { i32, i32 }* %X, null
}
@@ -105,13 +150,13 @@ entry:
store i32 10, i32* %g3, align 4
%g4 = getelementptr %struct.A* %a, i32 0, i32 0
-
+
%new_a = bitcast %struct.B* %g4 to %struct.A*
- %g5 = getelementptr %struct.A* %new_a, i32 0, i32 1
- %a_a = load i32* %g5, align 4
+ %g5 = getelementptr %struct.A* %new_a, i32 0, i32 1
+ %a_a = load i32* %g5, align 4
ret i32 %a_a
-; CHECK: @test12
+; CHECK-LABEL: @test12(
; CHECK: getelementptr %struct.A* %a, i64 0, i32 1
; CHECK-NEXT: store i32 10, i32* %g3
; CHECK-NEXT: ret i32 10
@@ -125,17 +170,77 @@ define i1 @test13(i64 %X, %S* %P) {
%B = getelementptr inbounds %S* %P, i32 0, i32 0
%C = icmp eq i32* %A, %B
ret i1 %C
-; CHECK: @test13
+; CHECK-LABEL: @test13(
; CHECK: %C = icmp eq i64 %X, -1
}
-
-@G = external global [3 x i8]
+define <2 x i1> @test13_vector(<2 x i64> %X, <2 x %S*> %P) nounwind {
+; CHECK-LABEL: @test13_vector(
+; CHECK-NEXT: shl nuw <2 x i64> %X, <i64 2, i64 2>
+; CHECK-NEXT: add <2 x i64> %A.idx, <i64 4, i64 4>
+; CHECK-NEXT: icmp eq <2 x i64> %A.offs, zeroinitializer
+ %A = getelementptr inbounds <2 x %S*> %P, <2 x i64> zeroinitializer, <2 x i32> <i32 1, i32 1>, <2 x i64> %X
+ %B = getelementptr inbounds <2 x %S*> %P, <2 x i64> <i64 0, i64 0>, <2 x i32> <i32 0, i32 0>
+ %C = icmp eq <2 x i32*> %A, %B
+ ret <2 x i1> %C
+}
+
+define i1 @test13_as1(i16 %X, %S addrspace(1)* %P) {
+; CHECK-LABEL: @test13_as1(
+; CHECK-NEXT: %C = icmp eq i16 %X, -1
+; CHECK-NEXT: ret i1 %C
+ %A = getelementptr inbounds %S addrspace(1)* %P, i16 0, i32 1, i16 %X
+ %B = getelementptr inbounds %S addrspace(1)* %P, i16 0, i32 0
+ %C = icmp eq i32 addrspace(1)* %A, %B
+ ret i1 %C
+}
+
+define <2 x i1> @test13_vector_as1(<2 x i16> %X, <2 x %S addrspace(1)*> %P) {
+; CHECK-LABEL: @test13_vector_as1(
+; CHECK-NEXT: shl nuw <2 x i16> %X, <i16 2, i16 2>
+; CHECK-NEXT: add <2 x i16> %A.idx, <i16 4, i16 4>
+; CHECK-NEXT: icmp eq <2 x i16> %A.offs, zeroinitializer
+; CHECK-NEXT: ret <2 x i1>
+ %A = getelementptr inbounds <2 x %S addrspace(1)*> %P, <2 x i16> <i16 0, i16 0>, <2 x i32> <i32 1, i32 1>, <2 x i16> %X
+ %B = getelementptr inbounds <2 x %S addrspace(1)*> %P, <2 x i16> <i16 0, i16 0>, <2 x i32> <i32 0, i32 0>
+ %C = icmp eq <2 x i32 addrspace(1)*> %A, %B
+ ret <2 x i1> %C
+}
+
+define i1 @test13_i32(i32 %X, %S* %P) {
+; CHECK-LABEL: @test13_i32(
+; CHECK: %C = icmp eq i32 %X, -1
+ %A = getelementptr inbounds %S* %P, i32 0, i32 1, i32 %X
+ %B = getelementptr inbounds %S* %P, i32 0, i32 0
+ %C = icmp eq i32* %A, %B
+ ret i1 %C
+}
+
+define i1 @test13_i16(i16 %X, %S* %P) {
+; CHECK-LABEL: @test13_i16(
+; CHECK: %C = icmp eq i16 %X, -1
+ %A = getelementptr inbounds %S* %P, i16 0, i32 1, i16 %X
+ %B = getelementptr inbounds %S* %P, i16 0, i32 0
+ %C = icmp eq i32* %A, %B
+ ret i1 %C
+}
+
+define i1 @test13_i128(i128 %X, %S* %P) {
+; CHECK-LABEL: @test13_i128(
+; CHECK: %C = icmp eq i64 %1, -1
+ %A = getelementptr inbounds %S* %P, i128 0, i32 1, i128 %X
+ %B = getelementptr inbounds %S* %P, i128 0, i32 0
+ %C = icmp eq i32* %A, %B
+ ret i1 %C
+}
+
+
+@G = external global [3 x i8]
define i8* @test14(i32 %Idx) {
%idx = zext i32 %Idx to i64
%tmp = getelementptr i8* getelementptr ([3 x i8]* @G, i32 0, i32 0), i64 %idx
ret i8* %tmp
-; CHECK: @test14
+; CHECK-LABEL: @test14(
; CHECK: getelementptr [3 x i8]* @G, i64 0, i64 %idx
}
@@ -145,15 +250,15 @@ define i8* @test14(i32 %Idx) {
define i32 *@test15(i64 %X) {
%A = getelementptr i32* getelementptr ([40 x i32]* @Array, i64 0, i64 0), i64 %X
ret i32* %A
-; CHECK: @test15
+; CHECK-LABEL: @test15(
; CHECK: getelementptr [40 x i32]* @Array, i64 0, i64 %X
}
define i32* @test16(i32* %X, i32 %Idx) {
- %R = getelementptr i32* %X, i32 %Idx
+ %R = getelementptr i32* %X, i32 %Idx
ret i32* %R
-; CHECK: @test16
+; CHECK-LABEL: @test16(
; CHECK: sext i32 %Idx to i64
}
@@ -163,25 +268,74 @@ define i1 @test17(i16* %P, i32 %I, i32 %J) {
%Y = getelementptr inbounds i16* %P, i32 %J
%C = icmp ult i16* %X, %Y
ret i1 %C
-; CHECK: @test17
-; CHECK: %C = icmp slt i32 %I, %J
+; CHECK-LABEL: @test17(
+; CHECK: %C = icmp slt i32 %I, %J
}
define i1 @test18(i16* %P, i32 %I) {
%X = getelementptr inbounds i16* %P, i32 %I
%C = icmp ult i16* %X, %P
ret i1 %C
-; CHECK: @test18
+; CHECK-LABEL: @test18(
; CHECK: %C = icmp slt i32 %I, 0
}
+; Larger than the pointer size for a non-zero address space
+define i1 @test18_as1(i16 addrspace(1)* %P, i32 %I) {
+; CHECK-LABEL: @test18_as1(
+; CHECK-NEXT: %1 = trunc i32 %I to i16
+; CHECK-NEXT: %C = icmp slt i16 %1, 0
+; CHECK-NEXT: ret i1 %C
+ %X = getelementptr inbounds i16 addrspace(1)* %P, i32 %I
+ %C = icmp ult i16 addrspace(1)* %X, %P
+ ret i1 %C
+}
+
+; Smaller than the pointer size for a non-zero address space
+define i1 @test18_as1_i32(i16 addrspace(1)* %P, i32 %I) {
+; CHECK-LABEL: @test18_as1_i32(
+; CHECK-NEXT: %1 = trunc i32 %I to i16
+; CHECK-NEXT: %C = icmp slt i16 %1, 0
+; CHECK-NEXT: ret i1 %C
+ %X = getelementptr inbounds i16 addrspace(1)* %P, i32 %I
+ %C = icmp ult i16 addrspace(1)* %X, %P
+ ret i1 %C
+}
+
+; Smaller than pointer size
+define i1 @test18_i16(i16* %P, i16 %I) {
+; CHECK-LABEL: @test18_i16(
+; CHECK: %C = icmp slt i16 %I, 0
+ %X = getelementptr inbounds i16* %P, i16 %I
+ %C = icmp ult i16* %X, %P
+ ret i1 %C
+}
+
+; Same as pointer size
+define i1 @test18_i64(i16* %P, i64 %I) {
+; CHECK-LABEL: @test18_i64(
+; CHECK: %C = icmp slt i64 %I, 0
+ %X = getelementptr inbounds i16* %P, i64 %I
+ %C = icmp ult i16* %X, %P
+ ret i1 %C
+}
+
+; Larger than the pointer size
+define i1 @test18_i128(i16* %P, i128 %I) {
+; CHECK-LABEL: @test18_i128(
+; CHECK: %C = icmp slt i64 %1, 0
+ %X = getelementptr inbounds i16* %P, i128 %I
+ %C = icmp ult i16* %X, %P
+ ret i1 %C
+}
+
define i32 @test19(i32* %P, i32 %A, i32 %B) {
%tmp.4 = getelementptr inbounds i32* %P, i32 %A
%tmp.9 = getelementptr inbounds i32* %P, i32 %B
%tmp.10 = icmp eq i32* %tmp.4, %tmp.9
%tmp.11 = zext i1 %tmp.10 to i32
ret i32 %tmp.11
-; CHECK: @test19
+; CHECK-LABEL: @test19(
; CHECK: icmp eq i32 %A, %B
}
@@ -190,10 +344,19 @@ define i32 @test20(i32* %P, i32 %A, i32 %B) {
%tmp.6 = icmp eq i32* %tmp.4, %P
%tmp.7 = zext i1 %tmp.6 to i32
ret i32 %tmp.7
-; CHECK: @test20
+; CHECK-LABEL: @test20(
; CHECK: icmp eq i32 %A, 0
}
+define i32 @test20_as1(i32 addrspace(1)* %P, i32 %A, i32 %B) {
+ %tmp.4 = getelementptr inbounds i32 addrspace(1)* %P, i32 %A
+ %tmp.6 = icmp eq i32 addrspace(1)* %tmp.4, %P
+ %tmp.7 = zext i1 %tmp.6 to i32
+ ret i32 %tmp.7
+; CHECK-LABEL: @test20_as1(
+; CHECK: icmp eq i16 %1, 0
+}
+
define i32 @test21() {
%pbob1 = alloca %intstruct
@@ -201,7 +364,7 @@ define i32 @test21() {
%pbobel = getelementptr %intstruct* %pbob2, i64 0, i32 0
%rval = load i32* %pbobel
ret i32 %rval
-; CHECK: @test21
+; CHECK-LABEL: @test21(
; CHECK: getelementptr %intstruct* %pbob1, i64 0, i32 0
}
@@ -210,10 +373,10 @@ define i32 @test21() {
@B = global i32 2 ; <i32*> [#uses=1]
define i1 @test22() {
- %C = icmp ult i32* getelementptr (i32* @A, i64 1),
- getelementptr (i32* @B, i64 2)
+ %C = icmp ult i32* getelementptr (i32* @A, i64 1),
+ getelementptr (i32* @B, i64 2)
ret i1 %C
-; CHECK: @test22
+; CHECK-LABEL: @test22(
; CHECK: icmp ult (i32* getelementptr inbounds (i32* @A, i64 1), i32* getelementptr (i32* @B, i64 2))
}
@@ -224,7 +387,7 @@ define i1 @test23() {
%A = getelementptr %X* null, i64 0, i32 0, i64 0 ; <i32*> [#uses=1]
%B = icmp ne i32* %A, null ; <i1> [#uses=1]
ret i1 %B
-; CHECK: @test23
+; CHECK-LABEL: @test23(
; CHECK: ret i1 false
}
@@ -239,7 +402,7 @@ entry:
%tmp27.i = sext i32 %sext to i64 ; <i64> [#uses=1]
tail call void @foo25( i32 0, i64 %tmp27.i )
unreachable
-; CHECK: @test25
+; CHECK-LABEL: @test25(
}
declare void @foo25(i32, i64)
@@ -251,7 +414,7 @@ define i1 @test26(i8* %arr) {
%Y = getelementptr i8* %arr, i32 1
%test = icmp uge i8* %X, %Y
ret i1 %test
-; CHECK: @test26
+; CHECK-LABEL: @test26(
; CHECK: ret i1 true
}
@@ -262,48 +425,48 @@ define i1 @test26(i8* %arr) {
define i32 @test27(%struct.compat_siginfo* %to, %struct.siginfo_t* %from) {
entry:
- %from_addr = alloca %struct.siginfo_t*
- %tmp344 = load %struct.siginfo_t** %from_addr, align 8
+ %from_addr = alloca %struct.siginfo_t*
+ %tmp344 = load %struct.siginfo_t** %from_addr, align 8
%tmp345 = getelementptr %struct.siginfo_t* %tmp344, i32 0, i32 3
%tmp346 = getelementptr { { i32, i32, [0 x i8], %struct.sigval_t, i32 }, [88 x i8] }* %tmp345, i32 0, i32 0
- %tmp346347 = bitcast { i32, i32, [0 x i8], %struct.sigval_t, i32 }* %tmp346 to { i32, i32, %struct.sigval_t }*
+ %tmp346347 = bitcast { i32, i32, [0 x i8], %struct.sigval_t, i32 }* %tmp346 to { i32, i32, %struct.sigval_t }*
%tmp348 = getelementptr { i32, i32, %struct.sigval_t }* %tmp346347, i32 0, i32 2
%tmp349 = getelementptr %struct.sigval_t* %tmp348, i32 0, i32 0
%tmp349350 = bitcast i8** %tmp349 to i32*
- %tmp351 = load i32* %tmp349350, align 8
+ %tmp351 = load i32* %tmp349350, align 8
%tmp360 = call i32 asm sideeffect "...",
"=r,ir,*m,i,0,~{dirflag},~{fpsr},~{flags}"( i32 %tmp351,
%struct.__large_struct* null, i32 -14, i32 0 )
unreachable
-; CHECK: @test27
+; CHECK-LABEL: @test27(
}
; PR1978
%struct.x = type <{ i8 }>
-@.str = internal constant [6 x i8] c"Main!\00"
-@.str1 = internal constant [12 x i8] c"destroy %p\0A\00"
+@.str = internal constant [6 x i8] c"Main!\00"
+@.str1 = internal constant [12 x i8] c"destroy %p\0A\00"
define i32 @test28() nounwind {
entry:
%orientations = alloca [1 x [1 x %struct.x]]
- %tmp3 = call i32 @puts( i8* getelementptr ([6 x i8]* @.str, i32 0, i32 0) ) nounwind
+ %tmp3 = call i32 @puts( i8* getelementptr ([6 x i8]* @.str, i32 0, i32 0) ) nounwind
%tmp45 = getelementptr inbounds [1 x [1 x %struct.x]]* %orientations, i32 1, i32 0, i32 0
%orientations62 = getelementptr [1 x [1 x %struct.x]]* %orientations, i32 0, i32 0, i32 0
br label %bb10
bb10:
%indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb10 ]
- %tmp.0.reg2mem.0.rec = mul i32 %indvar, -1
- %tmp12.rec = add i32 %tmp.0.reg2mem.0.rec, -1
+ %tmp.0.reg2mem.0.rec = mul i32 %indvar, -1
+ %tmp12.rec = add i32 %tmp.0.reg2mem.0.rec, -1
%tmp12 = getelementptr inbounds %struct.x* %tmp45, i32 %tmp12.rec
%tmp16 = call i32 (i8*, ...)* @printf( i8* getelementptr ([12 x i8]* @.str1, i32 0, i32 0), %struct.x* %tmp12 ) nounwind
%tmp84 = icmp eq %struct.x* %tmp12, %orientations62
%indvar.next = add i32 %indvar, 1
br i1 %tmp84, label %bb17, label %bb10
-bb17:
+bb17:
ret i32 0
-; CHECK: @test28
+; CHECK-LABEL: @test28(
; CHECK: icmp eq i32 %indvar, 0
}
@@ -318,7 +481,7 @@ declare i32 @printf(i8*, ...)
%T = type <{ i64, i64, i64 }>
define i32 @test29(i8* %start, i32 %X) nounwind {
entry:
- %tmp3 = load i64* null
+ %tmp3 = load i64* null
%add.ptr = getelementptr i8* %start, i64 %tmp3
%tmp158 = load i32* null
%add.ptr159 = getelementptr %T* null, i32 %tmp158
@@ -332,7 +495,7 @@ if.then216:
if.end363:
ret i32 0
-; CHECK: @test29
+; CHECK-LABEL: @test29(
}
@@ -345,7 +508,7 @@ entry:
%2 = getelementptr [0 x i32]* %1, i32 0, i32 %m
%3 = load i32* %2, align 4
ret i32 %3
-; CHECK: @test30
+; CHECK-LABEL: @test30(
; CHECK: getelementptr i32
}
@@ -356,9 +519,9 @@ declare void @test30f(i32*)
define i1 @test31(i32* %A) {
%B = getelementptr i32* %A, i32 1
%C = getelementptr i32* %A, i64 1
- %V = icmp eq i32* %B, %C
+ %V = icmp eq i32* %B, %C
ret i1 %V
-; CHECK: @test31
+; CHECK-LABEL: @test31(
; CHECK: ret i1 true
}
@@ -372,10 +535,10 @@ define i8* @test32(i8* %v) {
%D = getelementptr { [16 x i8] }* %C, i32 0, i32 0, i32 8
%E = bitcast i8* %D to i8**
store i8* %v, i8** %E
- %F = getelementptr [4 x i8*]* %A, i32 0, i32 2
+ %F = getelementptr [4 x i8*]* %A, i32 0, i32 2
%G = load i8** %F
ret i8* %G
-; CHECK: @test32
+; CHECK-LABEL: @test32(
; CHECK: %D = getelementptr [4 x i8*]* %A, i64 0, i64 1
; CHECK: %F = getelementptr [4 x i8*]* %A, i64 0, i64 2
}
@@ -384,27 +547,50 @@ define i8* @test32(i8* %v) {
%struct.Key = type { { i32, i32 } }
%struct.anon = type <{ i8, [3 x i8], i32 }>
-define i32 *@test33(%struct.Key *%A) {
- %B = bitcast %struct.Key* %A to %struct.anon*
- %C = getelementptr %struct.anon* %B, i32 0, i32 2
- ret i32 *%C
-; CHECK: @test33
+define i32* @test33(%struct.Key* %A) {
+; CHECK-LABEL: @test33(
; CHECK: getelementptr %struct.Key* %A, i64 0, i32 0, i32 1
+ %B = bitcast %struct.Key* %A to %struct.anon*
+ %C = getelementptr %struct.anon* %B, i32 0, i32 2
+ ret i32* %C
}
+define i32 addrspace(1)* @test33_as1(%struct.Key addrspace(1)* %A) {
+; CHECK-LABEL: @test33_as1(
+; CHECK: getelementptr %struct.Key addrspace(1)* %A, i16 0, i32 0, i32 1
+ %B = bitcast %struct.Key addrspace(1)* %A to %struct.anon addrspace(1)*
+ %C = getelementptr %struct.anon addrspace(1)* %B, i32 0, i32 2
+ ret i32 addrspace(1)* %C
+}
+define i32 addrspace(1)* @test33_array_as1([10 x i32] addrspace(1)* %A) {
+; CHECK-LABEL: @test33_array_as1(
+; CHECK: getelementptr [10 x i32] addrspace(1)* %A, i16 0, i16 2
+ %B = bitcast [10 x i32] addrspace(1)* %A to [5 x i32] addrspace(1)*
+ %C = getelementptr [5 x i32] addrspace(1)* %B, i32 0, i32 2
+ ret i32 addrspace(1)* %C
+}
+
+; Make sure the GEP indices use the right pointer sized integer
+define i32 addrspace(1)* @test33_array_struct_as1([10 x %struct.Key] addrspace(1)* %A) {
+; CHECK-LABEL: @test33_array_struct_as1(
+; CHECK: getelementptr [10 x %struct.Key] addrspace(1)* %A, i16 0, i16 1, i32 0, i32 0
+ %B = bitcast [10 x %struct.Key] addrspace(1)* %A to [20 x i32] addrspace(1)*
+ %C = getelementptr [20 x i32] addrspace(1)* %B, i32 0, i32 2
+ ret i32 addrspace(1)* %C
+}
%T2 = type { i8*, i8 }
define i8* @test34(i8* %Val, i64 %V) nounwind {
entry:
- %A = alloca %T2, align 8
+ %A = alloca %T2, align 8
%mrv_gep = bitcast %T2* %A to i64*
%B = getelementptr %T2* %A, i64 0, i32 0
-
+
store i64 %V, i64* %mrv_gep
%C = load i8** %B, align 8
ret i8* %C
-; CHECK: @test34
+; CHECK-LABEL: @test34(
; CHECK: %V.c = inttoptr i64 %V to i8*
; CHECK: ret i8* %V.c
}
@@ -423,7 +609,7 @@ define i32 @test35() nounwind {
call i32 (i8*, ...)* @printf(i8* getelementptr ([17 x i8]* @"\01LC8", i32 0, i32 0),
i8* getelementptr (%t1* bitcast (%t0* @s to %t1*), i32 0, i32 1, i32 0)) nounwind
ret i32 0
-; CHECK: @test35
+; CHECK-LABEL: @test35(
; CHECK: call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([17 x i8]* @"\01LC8", i64 0, i64 0), i8* getelementptr inbounds (%t0* @s, i64 0, i32 1, i64 0)) [[NUW:#[0-9]+]]
}
@@ -434,14 +620,14 @@ define i32 @test35() nounwind {
define i8* @test36() nounwind {
ret i8* getelementptr ([11 x i8]* @array, i32 0, i64 -1)
-; CHECK: @test36
+; CHECK-LABEL: @test36(
; CHECK: ret i8* getelementptr ([11 x i8]* @array, i64 1676976733973595601, i64 4)
}
; Instcombine shouldn't assume that gep(A,0,1) != gep(A,1,0).
@A37 = external constant [1 x i8]
define i1 @test37() nounwind {
-; CHECK: @test37
+; CHECK-LABEL: @test37(
; CHECK: ret i1 true
%t = icmp eq i8* getelementptr ([1 x i8]* @A37, i64 0, i64 1),
getelementptr ([1 x i8]* @A37, i64 1, i64 0)
@@ -452,7 +638,7 @@ define i1 @test37() nounwind {
define i32* @test38(i32* %I, i32 %n) {
%A = getelementptr i32* %I, i32 %n
ret i32* %A
-; CHECK: @test38
+; CHECK-LABEL: @test38(
; CHECK: = sext i32 %n to i64
; CHECK: %A = getelementptr i32* %I, i64 %
}
@@ -469,7 +655,7 @@ entry:
call void @pr10322_f3(i8** %tmp2) nounwind
ret void
-; CHECK: @pr10322_f1
+; CHECK-LABEL: @pr10322_f1(
; CHECK: %tmp2 = getelementptr inbounds %pr10322_t* %arrayidx8, i64 0, i32 0
}
@@ -485,7 +671,7 @@ define void @three_gep_f(%three_gep_t2* %x) {
%gep3 = getelementptr %three_gep_t* %gep2, i64 0, i32 0
call void @three_gep_g(i32* %gep3)
-; CHECK: @three_gep_f
+; CHECK-LABEL: @three_gep_f(
; CHECK: %gep3 = getelementptr %three_gep_t2* %gep1, i64 0, i32 0, i32 0
ret void
}
@@ -504,9 +690,103 @@ define void @test39(%struct.ham* %arg, i8 %arg1) nounwind {
store i8 %arg1, i8* %tmp4, align 8
ret void
-; CHECK: @test39
+; CHECK-LABEL: @test39(
; CHECK: getelementptr inbounds %struct.ham* %arg, i64 0, i32 2
; CHECK: getelementptr inbounds i8* %tmp3, i64 -8
}
+define i1 @pr16483([1 x i8]* %a, [1 x i8]* %b) {
+ %c = getelementptr [1 x i8]* %a, i32 0, i32 0
+ %d = getelementptr [1 x i8]* %b, i32 0, i32 0
+ %cmp = icmp ult i8* %c, %d
+ ret i1 %cmp
+
+; CHECK-LABEL: @pr16483(
+; CHECK-NEXT: icmp ult [1 x i8]* %a, %b
+}
+
+define i8 @test_gep_bitcast_as1(i32 addrspace(1)* %arr, i16 %N) {
+; CHECK-LABEL: @test_gep_bitcast_as1(
+; CHECK: getelementptr i32 addrspace(1)* %arr, i16 %N
+; CHECK: bitcast
+ %cast = bitcast i32 addrspace(1)* %arr to i8 addrspace(1)*
+ %V = mul i16 %N, 4
+ %t = getelementptr i8 addrspace(1)* %cast, i16 %V
+ %x = load i8 addrspace(1)* %t
+ ret i8 %x
+}
+
+; The element size of the array matches the element size of the pointer
+define i64 @test_gep_bitcast_array_same_size_element([100 x double]* %arr, i64 %N) {
+; CHECK-LABEL: @test_gep_bitcast_array_same_size_element(
+; CHECK: getelementptr [100 x double]* %arr, i64 0, i64 %V
+; CHECK: bitcast
+ %cast = bitcast [100 x double]* %arr to i64*
+ %V = mul i64 %N, 8
+ %t = getelementptr i64* %cast, i64 %V
+ %x = load i64* %t
+ ret i64 %x
+}
+
+; The element size of the array is different the element size of the pointer
+define i8 @test_gep_bitcast_array_different_size_element([100 x double]* %arr, i64 %N) {
+; CHECK-LABEL: @test_gep_bitcast_array_different_size_element(
+; CHECK: getelementptr [100 x double]* %arr, i64 0, i64 %N
+; CHECK: bitcast
+ %cast = bitcast [100 x double]* %arr to i8*
+ %V = mul i64 %N, 8
+ %t = getelementptr i8* %cast, i64 %V
+ %x = load i8* %t
+ ret i8 %x
+}
+
+define i64 @test_gep_bitcast_array_same_size_element_as1([100 x double] addrspace(1)* %arr, i16 %N) {
+; CHECK-LABEL: @test_gep_bitcast_array_same_size_element_as1(
+; CHECK: getelementptr [100 x double] addrspace(1)* %arr, i16 0, i16 %V
+; CHECK: bitcast
+ %cast = bitcast [100 x double] addrspace(1)* %arr to i64 addrspace(1)*
+ %V = mul i16 %N, 8
+ %t = getelementptr i64 addrspace(1)* %cast, i16 %V
+ %x = load i64 addrspace(1)* %t
+ ret i64 %x
+}
+
+define i8 @test_gep_bitcast_array_different_size_element_as1([100 x double] addrspace(1)* %arr, i16 %N) {
+; CHECK-LABEL: @test_gep_bitcast_array_different_size_element_as1(
+; CHECK: getelementptr [100 x double] addrspace(1)* %arr, i16 0, i16 %N
+; CHECK: bitcast
+ %cast = bitcast [100 x double] addrspace(1)* %arr to i8 addrspace(1)*
+ %V = mul i16 %N, 8
+ %t = getelementptr i8 addrspace(1)* %cast, i16 %V
+ %x = load i8 addrspace(1)* %t
+ ret i8 %x
+}
+
+define i64 @test40() {
+ %array = alloca [3 x i32], align 4
+ %gep = getelementptr inbounds [3 x i32]* %array, i64 0, i64 2
+ %gepi8 = bitcast i32* %gep to i8*
+ %p = ptrtoint [3 x i32]* %array to i64
+ %np = sub i64 0, %p
+ %gep2 = getelementptr i8* %gepi8, i64 %np
+ %ret = ptrtoint i8* %gep2 to i64
+ ret i64 %ret
+
+; CHECK-LABEL: @test40
+; CHECK-NEXT: ret i64 8
+}
+
+define i16 @test41([3 x i32] addrspace(1)* %array) {
+ %gep = getelementptr inbounds [3 x i32] addrspace(1)* %array, i16 0, i16 2
+ %gepi8 = bitcast i32 addrspace(1)* %gep to i8 addrspace(1)*
+ %p = ptrtoint [3 x i32] addrspace(1)* %array to i16
+ %np = sub i16 0, %p
+ %gep2 = getelementptr i8 addrspace(1)* %gepi8, i16 %np
+ %ret = ptrtoint i8 addrspace(1)* %gep2 to i16
+ ret i16 %ret
+
+; CHECK-LABEL: @test41(
+; CHECK-NEXT: ret i16 8
+}
+
; CHECK: attributes [[NUW]] = { nounwind }
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 09:41:57 +0000