|  | ; "PLAIN" - No optimizations. This tests the default target layout | 
|  | ; constant folder. | 
|  | ; RUN: opt -S -o - < %s | FileCheck --check-prefix=PLAIN %s | 
|  |  | 
|  | ; "OPT" - Optimizations but no targetdata. This tests default target layout | 
|  | ; folding in the optimizers. | 
|  | ; RUN: opt -S -o - -instcombine -globalopt < %s | FileCheck --check-prefix=OPT %s | 
|  |  | 
|  | ; "TO" - Optimizations and targetdata. This tests target-dependent | 
|  | ; folding in the optimizers. | 
|  | ; RUN: opt -S -o - -instcombine -globalopt -data-layout="e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64" < %s | FileCheck --check-prefix=TO %s | 
|  |  | 
|  | ; "SCEV" - ScalarEvolution with default target layout | 
|  | ; RUN: opt -analyze -scalar-evolution < %s | FileCheck --check-prefix=SCEV %s | 
|  |  | 
|  |  | 
|  | ; The automatic constant folder in opt does not have targetdata access, so | 
|  | ; it can't fold gep arithmetic, in general. However, the constant folder run | 
|  | ; from instcombine and global opt can use targetdata. | 
|  |  | 
|  | ; PLAIN: @G8 = global i8* getelementptr (i8, i8* inttoptr (i32 1 to i8*), i32 -1) | 
|  | ; PLAIN: @G1 = global i1* getelementptr (i1, i1* inttoptr (i32 1 to i1*), i32 -1) | 
|  | ; PLAIN: @F8 = global i8* getelementptr (i8, i8* inttoptr (i32 1 to i8*), i32 -2) | 
|  | ; PLAIN: @F1 = global i1* getelementptr (i1, i1* inttoptr (i32 1 to i1*), i32 -2) | 
|  | ; PLAIN: @H8 = global i8* getelementptr (i8, i8* null, i32 -1) | 
|  | ; PLAIN: @H1 = global i1* getelementptr (i1, i1* null, i32 -1) | 
|  | ; OPT: @G8 = local_unnamed_addr global i8* null | 
|  | ; OPT: @G1 = local_unnamed_addr global i1* null | 
|  | ; OPT: @F8 = local_unnamed_addr global i8* inttoptr (i64 -1 to i8*) | 
|  | ; OPT: @F1 = local_unnamed_addr global i1* inttoptr (i64 -1 to i1*) | 
|  | ; OPT: @H8 = local_unnamed_addr global i8* inttoptr (i64 -1 to i8*) | 
|  | ; OPT: @H1 = local_unnamed_addr global i1* inttoptr (i64 -1 to i1*) | 
|  | ; TO: @G8 = local_unnamed_addr global i8* null | 
|  | ; TO: @G1 = local_unnamed_addr global i1* null | 
|  | ; TO: @F8 = local_unnamed_addr global i8* inttoptr (i64 -1 to i8*) | 
|  | ; TO: @F1 = local_unnamed_addr global i1* inttoptr (i64 -1 to i1*) | 
|  | ; TO: @H8 = local_unnamed_addr global i8* inttoptr (i64 -1 to i8*) | 
|  | ; TO: @H1 = local_unnamed_addr global i1* inttoptr (i64 -1 to i1*) | 
|  |  | 
|  | @G8 = global i8* getelementptr (i8, i8* inttoptr (i32 1 to i8*), i32 -1) | 
|  | @G1 = global i1* getelementptr (i1, i1* inttoptr (i32 1 to i1*), i32 -1) | 
|  | @F8 = global i8* getelementptr (i8, i8* inttoptr (i32 1 to i8*), i32 -2) | 
|  | @F1 = global i1* getelementptr (i1, i1* inttoptr (i32 1 to i1*), i32 -2) | 
|  | @H8 = global i8* getelementptr (i8, i8* inttoptr (i32 0 to i8*), i32 -1) | 
|  | @H1 = global i1* getelementptr (i1, i1* inttoptr (i32 0 to i1*), i32 -1) | 
|  |  | 
|  | ; The target-independent folder should be able to do some clever | 
|  | ; simplifications on sizeof, alignof, and offsetof expressions. The | 
|  | ; target-dependent folder should fold these down to constants. | 
|  |  | 
|  | ; PLAIN: @a = constant i64 mul (i64 ptrtoint (double* getelementptr (double, double* null, i32 1) to i64), i64 2310) | 
|  | ; PLAIN: @b = constant i64 ptrtoint (double* getelementptr ({ i1, double }, { i1, double }* null, i64 0, i32 1) to i64) | 
|  | ; PLAIN: @c = constant i64 mul nuw (i64 ptrtoint (double* getelementptr (double, double* null, i32 1) to i64), i64 2) | 
|  | ; PLAIN: @d = constant i64 mul nuw (i64 ptrtoint (double* getelementptr (double, double* null, i32 1) to i64), i64 11) | 
|  | ; PLAIN: @e = constant i64 ptrtoint (double* getelementptr ({ double, float, double, double }, { double, float, double, double }* null, i64 0, i32 2) to i64) | 
|  | ; PLAIN: @f = constant i64 1 | 
|  | ; PLAIN: @g = constant i64 ptrtoint (double* getelementptr ({ i1, double }, { i1, double }* null, i64 0, i32 1) to i64) | 
|  | ; PLAIN: @h = constant i64 ptrtoint (i1** getelementptr (i1*, i1** null, i32 1) to i64) | 
|  | ; PLAIN: @i = constant i64 ptrtoint (i1** getelementptr ({ i1, i1* }, { i1, i1* }* null, i64 0, i32 1) to i64) | 
|  | ; OPT: @a = local_unnamed_addr constant i64 18480 | 
|  | ; OPT: @b = local_unnamed_addr constant i64 8 | 
|  | ; OPT: @c = local_unnamed_addr constant i64 16 | 
|  | ; OPT: @d = local_unnamed_addr constant i64 88 | 
|  | ; OPT: @e = local_unnamed_addr constant i64 16 | 
|  | ; OPT: @f = local_unnamed_addr constant i64 1 | 
|  | ; OPT: @g = local_unnamed_addr constant i64 8 | 
|  | ; OPT: @h = local_unnamed_addr constant i64 8 | 
|  | ; OPT: @i = local_unnamed_addr constant i64 8 | 
|  | ; TO: @a = local_unnamed_addr constant i64 18480 | 
|  | ; TO: @b = local_unnamed_addr constant i64 8 | 
|  | ; TO: @c = local_unnamed_addr constant i64 16 | 
|  | ; TO: @d = local_unnamed_addr constant i64 88 | 
|  | ; TO: @e = local_unnamed_addr constant i64 16 | 
|  | ; TO: @f = local_unnamed_addr constant i64 1 | 
|  | ; TO: @g = local_unnamed_addr constant i64 8 | 
|  | ; TO: @h = local_unnamed_addr constant i64 8 | 
|  | ; TO: @i = local_unnamed_addr constant i64 8 | 
|  |  | 
|  | @a = constant i64 mul (i64 3, i64 mul (i64 ptrtoint ({[7 x double], [7 x double]}* getelementptr ({[7 x double], [7 x double]}, {[7 x double], [7 x double]}* null, i64 11) to i64), i64 5)) | 
|  | @b = constant i64 ptrtoint ([13 x double]* getelementptr ({i1, [13 x double]}, {i1, [13 x double]}* null, i64 0, i32 1) to i64) | 
|  | @c = constant i64 ptrtoint (double* getelementptr ({double, double, double, double}, {double, double, double, double}* null, i64 0, i32 2) to i64) | 
|  | @d = constant i64 ptrtoint (double* getelementptr ([13 x double], [13 x double]* null, i64 0, i32 11) to i64) | 
|  | @e = constant i64 ptrtoint (double* getelementptr ({double, float, double, double}, {double, float, double, double}* null, i64 0, i32 2) to i64) | 
|  | @f = constant i64 ptrtoint (<{ i16, i128 }>* getelementptr ({i1, <{ i16, i128 }>}, {i1, <{ i16, i128 }>}* null, i64 0, i32 1) to i64) | 
|  | @g = constant i64 ptrtoint ({double, double}* getelementptr ({i1, {double, double}}, {i1, {double, double}}* null, i64 0, i32 1) to i64) | 
|  | @h = constant i64 ptrtoint (double** getelementptr (double*, double** null, i64 1) to i64) | 
|  | @i = constant i64 ptrtoint (double** getelementptr ({i1, double*}, {i1, double*}* null, i64 0, i32 1) to i64) | 
|  |  | 
|  | ; The target-dependent folder should cast GEP indices to integer-sized pointers. | 
|  |  | 
|  | ; PLAIN: @M = constant i64* getelementptr (i64, i64* null, i32 1) | 
|  | ; PLAIN: @N = constant i64* getelementptr ({ i64, i64 }, { i64, i64 }* null, i32 0, i32 1) | 
|  | ; PLAIN: @O = constant i64* getelementptr ([2 x i64], [2 x i64]* null, i32 0, i32 1) | 
|  | ; OPT: @M = local_unnamed_addr constant i64* inttoptr (i64 8 to i64*) | 
|  | ; OPT: @N = local_unnamed_addr constant i64* inttoptr (i64 8 to i64*) | 
|  | ; OPT: @O = local_unnamed_addr constant i64* inttoptr (i64 8 to i64*) | 
|  | ; TO: @M = local_unnamed_addr constant i64* inttoptr (i64 8 to i64*) | 
|  | ; TO: @N = local_unnamed_addr constant i64* inttoptr (i64 8 to i64*) | 
|  | ; TO: @O = local_unnamed_addr constant i64* inttoptr (i64 8 to i64*) | 
|  |  | 
|  | @M = constant i64* getelementptr (i64, i64* null, i32 1) | 
|  | @N = constant i64* getelementptr ({ i64, i64 }, { i64, i64 }* null, i32 0, i32 1) | 
|  | @O = constant i64* getelementptr ([2 x i64], [2 x i64]* null, i32 0, i32 1) | 
|  |  | 
|  | ; Fold GEP of a GEP. Very simple cases are folded without targetdata. | 
|  |  | 
|  | ; PLAIN: @Y = global [3 x { i32, i32 }]* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]* @ext, i64 2) | 
|  | ; PLAIN: @Z = global i32* getelementptr inbounds (i32, i32* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]* @ext, i64 0, i64 1, i32 0), i64 1) | 
|  | ; OPT: @Y = local_unnamed_addr global [3 x { i32, i32 }]* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]* @ext, i64 2) | 
|  | ; OPT: @Z = local_unnamed_addr global i32* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]* @ext, i64 0, i64 1, i32 1) | 
|  | ; TO: @Y = local_unnamed_addr global [3 x { i32, i32 }]* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]* @ext, i64 2) | 
|  | ; TO: @Z = local_unnamed_addr global i32* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]* @ext, i64 0, i64 1, i32 1) | 
|  |  | 
|  | @ext = external global [3 x { i32, i32 }] | 
|  | @Y = global [3 x { i32, i32 }]* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]* @ext, i64 1), i64 1) | 
|  | @Z = global i32* getelementptr inbounds (i32, i32* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]* @ext, i64 0, i64 1, i32 0), i64 1) | 
|  |  | 
|  | ; Duplicate all of the above as function return values rather than | 
|  | ; global initializers. | 
|  |  | 
|  | ; PLAIN: define i8* @goo8() #0 { | 
|  | ; PLAIN:   %t = bitcast i8* getelementptr (i8, i8* inttoptr (i32 1 to i8*), i32 -1) to i8* | 
|  | ; PLAIN:   ret i8* %t | 
|  | ; PLAIN: } | 
|  | ; PLAIN: define i1* @goo1() #0 { | 
|  | ; PLAIN:   %t = bitcast i1* getelementptr (i1, i1* inttoptr (i32 1 to i1*), i32 -1) to i1* | 
|  | ; PLAIN:   ret i1* %t | 
|  | ; PLAIN: } | 
|  | ; PLAIN: define i8* @foo8() #0 { | 
|  | ; PLAIN:   %t = bitcast i8* getelementptr (i8, i8* inttoptr (i32 1 to i8*), i32 -2) to i8* | 
|  | ; PLAIN:   ret i8* %t | 
|  | ; PLAIN: } | 
|  | ; PLAIN: define i1* @foo1() #0 { | 
|  | ; PLAIN:   %t = bitcast i1* getelementptr (i1, i1* inttoptr (i32 1 to i1*), i32 -2) to i1* | 
|  | ; PLAIN:   ret i1* %t | 
|  | ; PLAIN: } | 
|  | ; PLAIN: define i8* @hoo8() #0 { | 
|  | ; PLAIN:   %t = bitcast i8* getelementptr (i8, i8* null, i32 -1) to i8* | 
|  | ; PLAIN:   ret i8* %t | 
|  | ; PLAIN: } | 
|  | ; PLAIN: define i1* @hoo1() #0 { | 
|  | ; PLAIN:   %t = bitcast i1* getelementptr (i1, i1* null, i32 -1) to i1* | 
|  | ; PLAIN:   ret i1* %t | 
|  | ; PLAIN: } | 
|  | ; OPT: define i8* @goo8() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i8* null | 
|  | ; OPT: } | 
|  | ; OPT: define i1* @goo1() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i1* null | 
|  | ; OPT: } | 
|  | ; OPT: define i8* @foo8() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i8* inttoptr (i64 -1 to i8*) | 
|  | ; OPT: } | 
|  | ; OPT: define i1* @foo1() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i1* inttoptr (i64 -1 to i1*) | 
|  | ; OPT: } | 
|  | ; OPT: define i8* @hoo8() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i8* inttoptr (i64 -1 to i8*) | 
|  | ; OPT: } | 
|  | ; OPT: define i1* @hoo1() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i1* inttoptr (i64 -1 to i1*) | 
|  | ; OPT: } | 
|  | ; TO: define i8* @goo8() local_unnamed_addr #0 { | 
|  | ; TO:   ret i8* null | 
|  | ; TO: } | 
|  | ; TO: define i1* @goo1() local_unnamed_addr #0 { | 
|  | ; TO:   ret i1* null | 
|  | ; TO: } | 
|  | ; TO: define i8* @foo8() local_unnamed_addr #0 { | 
|  | ; TO:   ret i8* inttoptr (i64 -1 to i8*) | 
|  | ; TO: } | 
|  | ; TO: define i1* @foo1() local_unnamed_addr #0 { | 
|  | ; TO:   ret i1* inttoptr (i64 -1 to i1*) | 
|  | ; TO: } | 
|  | ; TO: define i8* @hoo8() local_unnamed_addr #0 { | 
|  | ; TO:   ret i8* inttoptr (i64 -1 to i8*) | 
|  | ; TO: } | 
|  | ; TO: define i1* @hoo1() local_unnamed_addr #0 { | 
|  | ; TO:   ret i1* inttoptr (i64 -1 to i1*) | 
|  | ; TO: } | 
|  | ; SCEV: Classifying expressions for: @goo8 | 
|  | ; SCEV:   %t = bitcast i8* getelementptr (i8, i8* inttoptr (i32 1 to i8*), i32 -1) to i8* | 
|  | ; SCEV:   -->  (-1 + inttoptr (i32 1 to i8*)) | 
|  | ; SCEV: Classifying expressions for: @goo1 | 
|  | ; SCEV:   %t = bitcast i1* getelementptr (i1, i1* inttoptr (i32 1 to i1*), i32 -1) to i1* | 
|  | ; SCEV:   -->  (-1 + inttoptr (i32 1 to i1*)) | 
|  | ; SCEV: Classifying expressions for: @foo8 | 
|  | ; SCEV:   %t = bitcast i8* getelementptr (i8, i8* inttoptr (i32 1 to i8*), i32 -2) to i8* | 
|  | ; SCEV:   -->  (-2 + inttoptr (i32 1 to i8*)) | 
|  | ; SCEV: Classifying expressions for: @foo1 | 
|  | ; SCEV:   %t = bitcast i1* getelementptr (i1, i1* inttoptr (i32 1 to i1*), i32 -2) to i1* | 
|  | ; SCEV:   -->  (-2 + inttoptr (i32 1 to i1*)) | 
|  | ; SCEV: Classifying expressions for: @hoo8 | 
|  | ; SCEV:   -->  -1 | 
|  | ; SCEV: Classifying expressions for: @hoo1 | 
|  | ; SCEV:   -->  -1 | 
|  |  | 
|  | define i8* @goo8() nounwind { | 
|  | %t = bitcast i8* getelementptr (i8, i8* inttoptr (i32 1 to i8*), i32 -1) to i8* | 
|  | ret i8* %t | 
|  | } | 
|  | define i1* @goo1() nounwind { | 
|  | %t = bitcast i1* getelementptr (i1, i1* inttoptr (i32 1 to i1*), i32 -1) to i1* | 
|  | ret i1* %t | 
|  | } | 
|  | define i8* @foo8() nounwind { | 
|  | %t = bitcast i8* getelementptr (i8, i8* inttoptr (i32 1 to i8*), i32 -2) to i8* | 
|  | ret i8* %t | 
|  | } | 
|  | define i1* @foo1() nounwind { | 
|  | %t = bitcast i1* getelementptr (i1, i1* inttoptr (i32 1 to i1*), i32 -2) to i1* | 
|  | ret i1* %t | 
|  | } | 
|  | define i8* @hoo8() nounwind { | 
|  | %t = bitcast i8* getelementptr (i8, i8* inttoptr (i32 0 to i8*), i32 -1) to i8* | 
|  | ret i8* %t | 
|  | } | 
|  | define i1* @hoo1() nounwind { | 
|  | %t = bitcast i1* getelementptr (i1, i1* inttoptr (i32 0 to i1*), i32 -1) to i1* | 
|  | ret i1* %t | 
|  | } | 
|  |  | 
|  | ; PLAIN: define i64 @fa() #0 { | 
|  | ; PLAIN:   %t = bitcast i64 mul (i64 ptrtoint (double* getelementptr (double, double* null, i32 1) to i64), i64 2310) to i64 | 
|  | ; PLAIN:   ret i64 %t | 
|  | ; PLAIN: } | 
|  | ; PLAIN: define i64 @fb() #0 { | 
|  | ; PLAIN:   %t = bitcast i64 ptrtoint (double* getelementptr ({ i1, double }, { i1, double }* null, i64 0, i32 1) to i64) to i64 | 
|  | ; PLAIN:   ret i64 %t | 
|  | ; PLAIN: } | 
|  | ; PLAIN: define i64 @fc() #0 { | 
|  | ; PLAIN:   %t = bitcast i64 mul nuw (i64 ptrtoint (double* getelementptr (double, double* null, i32 1) to i64), i64 2) to i64 | 
|  | ; PLAIN:   ret i64 %t | 
|  | ; PLAIN: } | 
|  | ; PLAIN: define i64 @fd() #0 { | 
|  | ; PLAIN:   %t = bitcast i64 mul nuw (i64 ptrtoint (double* getelementptr (double, double* null, i32 1) to i64), i64 11) to i64 | 
|  | ; PLAIN:   ret i64 %t | 
|  | ; PLAIN: } | 
|  | ; PLAIN: define i64 @fe() #0 { | 
|  | ; PLAIN:   %t = bitcast i64 ptrtoint (double* getelementptr ({ double, float, double, double }, { double, float, double, double }* null, i64 0, i32 2) to i64) to i64 | 
|  | ; PLAIN:   ret i64 %t | 
|  | ; PLAIN: } | 
|  | ; PLAIN: define i64 @ff() #0 { | 
|  | ; PLAIN:   %t = bitcast i64 1 to i64 | 
|  | ; PLAIN:   ret i64 %t | 
|  | ; PLAIN: } | 
|  | ; PLAIN: define i64 @fg() #0 { | 
|  | ; PLAIN:   %t = bitcast i64 ptrtoint (double* getelementptr ({ i1, double }, { i1, double }* null, i64 0, i32 1) to i64) to i64 | 
|  | ; PLAIN:   ret i64 %t | 
|  | ; PLAIN: } | 
|  | ; PLAIN: define i64 @fh() #0 { | 
|  | ; PLAIN:   %t = bitcast i64 ptrtoint (i1** getelementptr (i1*, i1** null, i32 1) to i64) to i64 | 
|  | ; PLAIN:   ret i64 %t | 
|  | ; PLAIN: } | 
|  | ; PLAIN: define i64 @fi() #0 { | 
|  | ; PLAIN:   %t = bitcast i64 ptrtoint (i1** getelementptr ({ i1, i1* }, { i1, i1* }* null, i64 0, i32 1) to i64) to i64 | 
|  | ; PLAIN:   ret i64 %t | 
|  | ; PLAIN: } | 
|  | ; OPT: define i64 @fa() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i64 18480 | 
|  | ; OPT: } | 
|  | ; OPT: define i64 @fb() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i64 8 | 
|  | ; OPT: } | 
|  | ; OPT: define i64 @fc() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i64 16 | 
|  | ; OPT: } | 
|  | ; OPT: define i64 @fd() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i64 88 | 
|  | ; OPT: } | 
|  | ; OPT: define i64 @fe() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i64 16 | 
|  | ; OPT: } | 
|  | ; OPT: define i64 @ff() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i64 1 | 
|  | ; OPT: } | 
|  | ; OPT: define i64 @fg() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i64 8 | 
|  | ; OPT: } | 
|  | ; OPT: define i64 @fh() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i64 8 | 
|  | ; OPT: } | 
|  | ; OPT: define i64 @fi() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i64 8 | 
|  | ; OPT: } | 
|  | ; TO: define i64 @fa() local_unnamed_addr #0 { | 
|  | ; TO:   ret i64 18480 | 
|  | ; TO: } | 
|  | ; TO: define i64 @fb() local_unnamed_addr #0 { | 
|  | ; TO:   ret i64 8 | 
|  | ; TO: } | 
|  | ; TO: define i64 @fc() local_unnamed_addr #0 { | 
|  | ; TO:   ret i64 16 | 
|  | ; TO: } | 
|  | ; TO: define i64 @fd() local_unnamed_addr #0 { | 
|  | ; TO:   ret i64 88 | 
|  | ; TO: } | 
|  | ; TO: define i64 @fe() local_unnamed_addr #0 { | 
|  | ; TO:   ret i64 16 | 
|  | ; TO: } | 
|  | ; TO: define i64 @ff() local_unnamed_addr #0 { | 
|  | ; TO:   ret i64 1 | 
|  | ; TO: } | 
|  | ; TO: define i64 @fg() local_unnamed_addr #0 { | 
|  | ; TO:   ret i64 8 | 
|  | ; TO: } | 
|  | ; TO: define i64 @fh() local_unnamed_addr #0 { | 
|  | ; TO:   ret i64 8 | 
|  | ; TO: } | 
|  | ; TO: define i64 @fi() local_unnamed_addr #0 { | 
|  | ; TO:   ret i64 8 | 
|  | ; TO: } | 
|  | ; SCEV: Classifying expressions for: @fa | 
|  | ; SCEV:   %t = bitcast i64 mul (i64 ptrtoint (double* getelementptr (double, double* null, i32 1) to i64), i64 2310) to i64 | 
|  | ; SCEV:   -->  (2310 * sizeof(double)) | 
|  | ; SCEV: Classifying expressions for: @fb | 
|  | ; SCEV:   %t = bitcast i64 ptrtoint (double* getelementptr ({ i1, double }, { i1, double }* null, i64 0, i32 1) to i64) to i64 | 
|  | ; SCEV:   -->  alignof(double) | 
|  | ; SCEV: Classifying expressions for: @fc | 
|  | ; SCEV:   %t = bitcast i64 mul nuw (i64 ptrtoint (double* getelementptr (double, double* null, i32 1) to i64), i64 2) to i64 | 
|  | ; SCEV:   -->  (2 * sizeof(double)) | 
|  | ; SCEV: Classifying expressions for: @fd | 
|  | ; SCEV:   %t = bitcast i64 mul nuw (i64 ptrtoint (double* getelementptr (double, double* null, i32 1) to i64), i64 11) to i64 | 
|  | ; SCEV:   -->  (11 * sizeof(double)) | 
|  | ; SCEV: Classifying expressions for: @fe | 
|  | ; SCEV:   %t = bitcast i64 ptrtoint (double* getelementptr ({ double, float, double, double }, { double, float, double, double }* null, i64 0, i32 2) to i64) to i64 | 
|  | ; SCEV:   -->  offsetof({ double, float, double, double }, 2) | 
|  | ; SCEV: Classifying expressions for: @ff | 
|  | ; SCEV:   %t = bitcast i64 1 to i64 | 
|  | ; SCEV:   -->  1 | 
|  | ; SCEV: Classifying expressions for: @fg | 
|  | ; SCEV:   %t = bitcast i64 ptrtoint (double* getelementptr ({ i1, double }, { i1, double }* null, i64 0, i32 1) to i64) to i64 | 
|  | ; SCEV:   -->  alignof(double) | 
|  | ; SCEV: Classifying expressions for: @fh | 
|  | ; SCEV:   %t = bitcast i64 ptrtoint (i1** getelementptr (i1*, i1** null, i32 1) to i64) to i64 | 
|  | ; SCEV:   -->  sizeof(i1*) | 
|  | ; SCEV: Classifying expressions for: @fi | 
|  | ; SCEV:   %t = bitcast i64 ptrtoint (i1** getelementptr ({ i1, i1* }, { i1, i1* }* null, i64 0, i32 1) to i64) to i64 | 
|  | ; SCEV:   -->  alignof(i1*) | 
|  |  | 
|  | define i64 @fa() nounwind { | 
|  | %t = bitcast i64 mul (i64 3, i64 mul (i64 ptrtoint ({[7 x double], [7 x double]}* getelementptr ({[7 x double], [7 x double]}, {[7 x double], [7 x double]}* null, i64 11) to i64), i64 5)) to i64 | 
|  | ret i64 %t | 
|  | } | 
|  | define i64 @fb() nounwind { | 
|  | %t = bitcast i64 ptrtoint ([13 x double]* getelementptr ({i1, [13 x double]}, {i1, [13 x double]}* null, i64 0, i32 1) to i64) to i64 | 
|  | ret i64 %t | 
|  | } | 
|  | define i64 @fc() nounwind { | 
|  | %t = bitcast i64 ptrtoint (double* getelementptr ({double, double, double, double}, {double, double, double, double}* null, i64 0, i32 2) to i64) to i64 | 
|  | ret i64 %t | 
|  | } | 
|  | define i64 @fd() nounwind { | 
|  | %t = bitcast i64 ptrtoint (double* getelementptr ([13 x double], [13 x double]* null, i64 0, i32 11) to i64) to i64 | 
|  | ret i64 %t | 
|  | } | 
|  | define i64 @fe() nounwind { | 
|  | %t = bitcast i64 ptrtoint (double* getelementptr ({double, float, double, double}, {double, float, double, double}* null, i64 0, i32 2) to i64) to i64 | 
|  | ret i64 %t | 
|  | } | 
|  | define i64 @ff() nounwind { | 
|  | %t = bitcast i64 ptrtoint (<{ i16, i128 }>* getelementptr ({i1, <{ i16, i128 }>}, {i1, <{ i16, i128 }>}* null, i64 0, i32 1) to i64) to i64 | 
|  | ret i64 %t | 
|  | } | 
|  | define i64 @fg() nounwind { | 
|  | %t = bitcast i64 ptrtoint ({double, double}* getelementptr ({i1, {double, double}}, {i1, {double, double}}* null, i64 0, i32 1) to i64) to i64 | 
|  | ret i64 %t | 
|  | } | 
|  | define i64 @fh() nounwind { | 
|  | %t = bitcast i64 ptrtoint (double** getelementptr (double*, double** null, i32 1) to i64) to i64 | 
|  | ret i64 %t | 
|  | } | 
|  | define i64 @fi() nounwind { | 
|  | %t = bitcast i64 ptrtoint (double** getelementptr ({i1, double*}, {i1, double*}* null, i64 0, i32 1) to i64) to i64 | 
|  | ret i64 %t | 
|  | } | 
|  |  | 
|  | ; PLAIN: define i64* @fM() #0 { | 
|  | ; PLAIN:   %t = bitcast i64* getelementptr (i64, i64* null, i32 1) to i64* | 
|  | ; PLAIN:   ret i64* %t | 
|  | ; PLAIN: } | 
|  | ; PLAIN: define i64* @fN() #0 { | 
|  | ; PLAIN:   %t = bitcast i64* getelementptr ({ i64, i64 }, { i64, i64 }* null, i32 0, i32 1) to i64* | 
|  | ; PLAIN:   ret i64* %t | 
|  | ; PLAIN: } | 
|  | ; PLAIN: define i64* @fO() #0 { | 
|  | ; PLAIN:   %t = bitcast i64* getelementptr ([2 x i64], [2 x i64]* null, i32 0, i32 1) to i64* | 
|  | ; PLAIN:   ret i64* %t | 
|  | ; PLAIN: } | 
|  | ; OPT: define i64* @fM() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i64* inttoptr (i64 8 to i64*) | 
|  | ; OPT: } | 
|  | ; OPT: define i64* @fN() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i64* inttoptr (i64 8 to i64*) | 
|  | ; OPT: } | 
|  | ; OPT: define i64* @fO() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i64* inttoptr (i64 8 to i64*) | 
|  | ; OPT: } | 
|  | ; TO: define i64* @fM() local_unnamed_addr #0 { | 
|  | ; TO:   ret i64* inttoptr (i64 8 to i64*) | 
|  | ; TO: } | 
|  | ; TO: define i64* @fN() local_unnamed_addr #0 { | 
|  | ; TO:   ret i64* inttoptr (i64 8 to i64*) | 
|  | ; TO: } | 
|  | ; TO: define i64* @fO() local_unnamed_addr #0 { | 
|  | ; TO:   ret i64* inttoptr (i64 8 to i64*) | 
|  | ; TO: } | 
|  | ; SCEV: Classifying expressions for: @fM | 
|  | ; SCEV:   %t = bitcast i64* getelementptr (i64, i64* null, i32 1) to i64* | 
|  | ; SCEV:   -->  8 | 
|  | ; SCEV: Classifying expressions for: @fN | 
|  | ; SCEV:   %t = bitcast i64* getelementptr ({ i64, i64 }, { i64, i64 }* null, i32 0, i32 1) to i64* | 
|  | ; SCEV:   -->  8 | 
|  | ; SCEV: Classifying expressions for: @fO | 
|  | ; SCEV:   %t = bitcast i64* getelementptr ([2 x i64], [2 x i64]* null, i32 0, i32 1) to i64* | 
|  | ; SCEV:   -->  8 | 
|  |  | 
|  | define i64* @fM() nounwind { | 
|  | %t = bitcast i64* getelementptr (i64, i64* null, i32 1) to i64* | 
|  | ret i64* %t | 
|  | } | 
|  | define i64* @fN() nounwind { | 
|  | %t = bitcast i64* getelementptr ({ i64, i64 }, { i64, i64 }* null, i32 0, i32 1) to i64* | 
|  | ret i64* %t | 
|  | } | 
|  | define i64* @fO() nounwind { | 
|  | %t = bitcast i64* getelementptr ([2 x i64], [2 x i64]* null, i32 0, i32 1) to i64* | 
|  | ret i64* %t | 
|  | } | 
|  |  | 
|  | ; PLAIN: define i32* @fZ() #0 { | 
|  | ; PLAIN:   %t = bitcast i32* getelementptr inbounds (i32, i32* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]* @ext, i64 0, i64 1, i32 0), i64 1) to i32* | 
|  | ; PLAIN:   ret i32* %t | 
|  | ; PLAIN: } | 
|  | ; OPT: define i32* @fZ() local_unnamed_addr #0 { | 
|  | ; OPT:   ret i32* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]* @ext, i64 0, i64 1, i32 1) | 
|  | ; OPT: } | 
|  | ; TO: define i32* @fZ() local_unnamed_addr #0 { | 
|  | ; TO:   ret i32* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]* @ext, i64 0, i64 1, i32 1) | 
|  | ; TO: } | 
|  | ; SCEV: Classifying expressions for: @fZ | 
|  | ; SCEV:   %t = bitcast i32* getelementptr inbounds (i32, i32* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]* @ext, i64 0, i64 1, i32 0), i64 1) to i32* | 
|  | ; SCEV:   -->  (12 + @ext) | 
|  |  | 
|  | define i32* @fZ() nounwind { | 
|  | %t = bitcast i32* getelementptr inbounds (i32, i32* getelementptr inbounds ([3 x { i32, i32 }], [3 x { i32, i32 }]* @ext, i64 0, i64 1, i32 0), i64 1) to i32* | 
|  | ret i32* %t | 
|  | } | 
|  |  | 
|  | ; PR15262 - Check GEP folding with casts between address spaces. | 
|  |  | 
|  | @p0 = global [4 x i8] zeroinitializer, align 1 | 
|  | @p12 = addrspace(12) global [4 x i8] zeroinitializer, align 1 | 
|  |  | 
|  | define i8* @different_addrspace() nounwind noinline { | 
|  | ; OPT: different_addrspace | 
|  | %p = getelementptr inbounds i8, i8* addrspacecast ([4 x i8] addrspace(12)* @p12 to i8*), | 
|  | i32 2 | 
|  | ret i8* %p | 
|  | ; OPT: ret i8* getelementptr ([4 x i8], [4 x i8]* addrspacecast ([4 x i8] addrspace(12)* @p12 to [4 x i8]*), i64 0, i64 2) | 
|  | } | 
|  |  | 
|  | define i8* @same_addrspace() nounwind noinline { | 
|  | ; OPT: same_addrspace | 
|  | %p = getelementptr inbounds i8, i8* bitcast ([4 x i8] * @p0 to i8*), i32 2 | 
|  | ret i8* %p | 
|  | ; OPT: ret i8* getelementptr inbounds ([4 x i8], [4 x i8]* @p0, i64 0, i64 2) | 
|  | } | 
|  |  | 
|  | @gv1 = internal global i32 1 | 
|  | @gv2 = internal global [1 x i32] [ i32 2 ] | 
|  | @gv3 = internal global [1 x i32] [ i32 2 ] | 
|  |  | 
|  | ; Handled by TI-independent constant folder | 
|  | define i1 @gv_gep_vs_gv() { | 
|  | ret i1 icmp eq (i32* getelementptr inbounds ([1 x i32], [1 x i32]* @gv2, i32 0, i32 0), i32* @gv1) | 
|  | } | 
|  | ; PLAIN: gv_gep_vs_gv | 
|  | ; PLAIN: ret i1 false | 
|  |  | 
|  | define i1 @gv_gep_vs_gv_gep() { | 
|  | ret i1 icmp eq (i32* getelementptr inbounds ([1 x i32], [1 x i32]* @gv2, i32 0, i32 0), i32* getelementptr inbounds ([1 x i32], [1 x i32]* @gv3, i32 0, i32 0)) | 
|  | } | 
|  | ; PLAIN: gv_gep_vs_gv_gep | 
|  | ; PLAIN: ret i1 false | 
|  |  | 
|  | ; CHECK: attributes #0 = { nounwind } |