diff options
author | Dimitry Andric <dim@FreeBSD.org> | 2013-12-22 00:04:03 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2013-12-22 00:04:03 +0000 |
commit | f8af5cf600354830d4ccf59732403f0f073eccb9 (patch) | |
tree | 2ba0398b4c42ad4f55561327538044fd2c925a8b /test/Transforms/InstCombine/getelementptr.ll | |
parent | 59d6cff90eecf31cb3dd860c4e786674cfdd42eb (diff) | |
download | src-f8af5cf600354830d4ccf59732403f0f073eccb9.tar.gz src-f8af5cf600354830d4ccf59732403f0f073eccb9.zip |
Notes
Diffstat (limited to 'test/Transforms/InstCombine/getelementptr.ll')
-rw-r--r-- | test/Transforms/InstCombine/getelementptr.ll | 438 |
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 } |