X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=test%2FTransforms%2FInstCombine%2Fgetelementptr.ll;h=3033bf1a7b666cc197082c623795fc46b1981ec4;hb=a630cb032cc09aaec92fa4ce26891abfa7fa1348;hp=90f144a06fc4dd7b3c58d4f1ae986b59445680f5;hpb=c34540aa861105d515ed73eb2ae614d9453016b6;p=oota-llvm.git diff --git a/test/Transforms/InstCombine/getelementptr.ll b/test/Transforms/InstCombine/getelementptr.ll index 90f144a06fc..3033bf1a7b6 100644 --- a/test/Transforms/InstCombine/getelementptr.ll +++ b/test/Transforms/InstCombine/getelementptr.ll @@ -11,7 +11,7 @@ target datalayout = "e-p:64:64" ; Test noop elimination define i32* @test1(i32* %I) { - %A = getelementptr i32* %I, i64 0 + %A = getelementptr i32* %I, i64 0 ret i32* %A ; CHECK-LABEL: @test1( ; CHECK: ret i32* %I @@ -36,7 +36,7 @@ define i32* @test3(i32* %I) { ; 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-LABEL: @test4( @@ -45,7 +45,7 @@ define i32* @test4({ i32 }* %I) { 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-LABEL: @test5( @@ -54,8 +54,8 @@ define void @test5(i8 %B) { 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-LABEL: @test7( ; CHECK: %A.sum = add i64 %C, %D @@ -64,8 +64,8 @@ define i32* @test7(i32* %I, i64 %C, i64 %D) { 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-LABEL: @test8( ; CHECK: bitcast [10 x i32]* %X to i8* @@ -73,7 +73,7 @@ define i8* @test8([10 x i32]* %X) { 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-LABEL: @test9( ; CHECK: ret i32 8 @@ -83,15 +83,15 @@ 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-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-LABEL: @test11( ; CHECK: icmp eq { i32, i32 }* %X, null @@ -105,11 +105,11 @@ 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-LABEL: @test12( ; CHECK: getelementptr %struct.A* %a, i64 0, i32 1 @@ -129,8 +129,35 @@ define i1 @test13(i64 %X, %S* %P) { ; CHECK: %C = icmp eq i64 %X, -1 } +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] +@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 @@ -151,7 +178,7 @@ define i32 *@test15(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-LABEL: @test16( ; CHECK: sext i32 %Idx to i64 @@ -164,7 +191,7 @@ define i1 @test17(i16* %P, i32 %I, i32 %J) { %C = icmp ult i16* %X, %Y ret i1 %C ; CHECK-LABEL: @test17( -; CHECK: %C = icmp slt i32 %I, %J +; CHECK: %C = icmp slt i32 %I, %J } define i1 @test18(i16* %P, i32 %I) { @@ -175,6 +202,33 @@ define i1 @test18(i16* %P, i32 %I) { ; CHECK: %C = icmp slt i32 %I, 0 } +; 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 @@ -210,8 +264,8 @@ define i32 @test21() { @B = global i32 2 ; [#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-LABEL: @test22( ; CHECK: icmp ult (i32* getelementptr inbounds (i32* @A, i64 1), i32* getelementptr (i32* @B, i64 2)) @@ -262,15 +316,15 @@ 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 ) @@ -280,28 +334,28 @@ entry: ; 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-LABEL: @test28( ; CHECK: icmp eq i32 %indvar, 0 @@ -318,7 +372,7 @@ 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 @@ -356,7 +410,7 @@ 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-LABEL: @test31( ; CHECK: ret i1 true @@ -372,7 +426,7 @@ 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-LABEL: @test32( @@ -386,7 +440,7 @@ define i8* @test32(i8* %v) { define i32 *@test33(%struct.Key *%A) { %B = bitcast %struct.Key* %A to %struct.anon* - %C = getelementptr %struct.anon* %B, i32 0, i32 2 + %C = getelementptr %struct.anon* %B, i32 0, i32 2 ret i32 *%C ; CHECK-LABEL: @test33( ; CHECK: getelementptr %struct.Key* %A, i64 0, i32 0, i32 1 @@ -397,10 +451,10 @@ define i32 *@test33(%struct.Key *%A) { %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