; "PLAIN" - No optimizations. This tests the target-independent ; constant folder. ; RUN: opt -S -o - < %s | FileCheck --check-prefix=PLAIN %s target datalayout = "e-p:128:128:128-p1:32:32:32-p2:8:8:8-p3:16:16:16-p4:64:64:64-p5:96:96:96-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32" ; PLAIN: ModuleID = '' ; 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 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -1) @G8 = global i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -1) ; PLAIN: @G1 = global i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i8 1 to i1 addrspace(2)*), i8 -1) @G1 = global i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i8 1 to i1 addrspace(2)*), i8 -1) ; PLAIN: @F8 = global i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -2) @F8 = global i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -2) ; PLAIN: @F1 = global i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i8 1 to i1 addrspace(2)*), i8 -2) @F1 = global i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i8 1 to i1 addrspace(2)*), i8 -2) ; PLAIN: @H8 = global i8 addrspace(1)* getelementptr (i8 addrspace(1)* null, i32 -1) @H8 = global i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 0 to i8 addrspace(1)*), i32 -1) ; PLAIN: @H1 = global i1 addrspace(2)* getelementptr (i1 addrspace(2)* null, i8 -1) @H1 = global i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i8 0 to i1 addrspace(2)*), i8 -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-X: @a = constant i64 mul (i64 ptrtoint (double addrspace(4)* getelementptr (double addrspace(4)* null, i32 1) to i64), i64 2310) @a = constant i64 mul (i64 3, i64 mul (i64 ptrtoint ({[7 x double], [7 x double]} addrspace(4)* getelementptr ({[7 x double], [7 x double]} addrspace(4)* null, i64 11) to i64), i64 5)) ; PLAIN-X: @b = constant i64 ptrtoint (double addrspace(4)* getelementptr ({ i1, double }* null, i64 0, i32 1) to i64) @b = constant i64 ptrtoint ([13 x double] addrspace(4)* getelementptr ({i1, [13 x double]} addrspace(4)* null, i64 0, i32 1) to i64) ; PLAIN-X: @c = constant i64 mul nuw (i64 ptrtoint (double addrspace(4)* getelementptr (double addrspace(4)* null, i32 1) to i64), i64 2) @c = constant i64 ptrtoint (double addrspace(4)* getelementptr ({double, double, double, double} addrspace(4)* null, i64 0, i32 2) to i64) ; PLAIN-X: @d = constant i64 mul nuw (i64 ptrtoint (double addrspace(4)* getelementptr (double addrspace(4)* null, i32 1) to i64), i64 11) @d = constant i64 ptrtoint (double addrspace(4)* getelementptr ([13 x double] addrspace(4)* null, i64 0, i32 11) to i64) ; PLAIN-X: @e = constant i64 ptrtoint (double addrspace(4)* getelementptr ({ double, float, double, double }* null, i64 0, i32 2) to i64) @e = constant i64 ptrtoint (double addrspace(4)* getelementptr ({double, float, double, double} addrspace(4)* null, i64 0, i32 2) to i64) ; PLAIN-X: @f = constant i64 1 @f = constant i64 ptrtoint (<{ i16, i128 }> addrspace(4)* getelementptr ({i1, <{ i16, i128 }>} addrspace(4)* null, i64 0, i32 1) to i64) ; PLAIN-X: @g = constant i64 ptrtoint (double addrspace(4)* getelementptr ({ i1, double }* null, i64 0, i32 1) to i64) @g = constant i64 ptrtoint ({double, double} addrspace(4)* getelementptr ({i1, {double, double}} addrspace(4)* null, i64 0, i32 1) to i64) ; PLAIN-X: @h = constant i64 ptrtoint (i1 addrspace(2)* getelementptr (i1 addrspace(2)* null, i32 1) to i64) @h = constant i64 ptrtoint (double addrspace(4)* getelementptr (double addrspace(4)* null, i64 1) to i64) ; PLAIN-X: @i = constant i64 ptrtoint (i1 addrspace(2)* getelementptr ({ i1, i1 addrspace(2)* }* null, i64 0, i32 1) to i64) @i = constant i64 ptrtoint (double addrspace(4)* getelementptr ({i1, double} addrspace(4)* null, i64 0, i32 1) to i64) ; The target-dependent folder should cast GEP indices to integer-sized pointers. ; PLAIN: @M = constant i64 addrspace(5)* getelementptr (i64 addrspace(5)* null, i32 1) ; PLAIN: @N = constant i64 addrspace(5)* getelementptr ({ i64, i64 } addrspace(5)* null, i32 0, i32 1) ; PLAIN: @O = constant i64 addrspace(5)* getelementptr ([2 x i64] addrspace(5)* null, i32 0, i32 1) @M = constant i64 addrspace(5)* getelementptr (i64 addrspace(5)* null, i32 1) @N = constant i64 addrspace(5)* getelementptr ({ i64, i64 } addrspace(5)* null, i32 0, i32 1) @O = constant i64 addrspace(5)* getelementptr ([2 x i64] addrspace(5)* null, i32 0, i32 1) ; Fold GEP of a GEP. Very simple cases are folded. ; PLAIN-X: @Y = global [3 x { i32, i32 }]addrspace(3)* getelementptr inbounds ([3 x { i32, i32 }]addrspace(3)* @ext, i64 2) @ext = external addrspace(3) global [3 x { i32, i32 }] @Y = global [3 x { i32, i32 }]addrspace(3)* getelementptr inbounds ([3 x { i32, i32 }]addrspace(3)* getelementptr inbounds ([3 x { i32, i32 }]addrspace(3)* @ext, i64 1), i64 1) ; PLAIN-X: @Z = global i32addrspace(3)* getelementptr inbounds (i32addrspace(3)* getelementptr inbounds ([3 x { i32, i32 }]addrspace(3)* @ext, i64 0, i64 1, i32 0), i64 1) @Z = global i32addrspace(3)* getelementptr inbounds (i32addrspace(3)* getelementptr inbounds ([3 x { i32, i32 }]addrspace(3)* @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 addrspace(1)* @goo8() nounwind { ; PLAIN: %t = bitcast i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -1) to i8 addrspace(1)* ; PLAIN: ret i8 addrspace(1)* %t ; PLAIN: } ; PLAIN: define i1 addrspace(2)* @goo1() nounwind { ; PLAIN: %t = bitcast i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i32 1 to i1 addrspace(2)*), i32 -1) to i1 addrspace(2)* ; PLAIN: ret i1 addrspace(2)* %t ; PLAIN: } ; PLAIN: define i8 addrspace(1)* @foo8() nounwind { ; PLAIN: %t = bitcast i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -2) to i8 addrspace(1)* ; PLAIN: ret i8 addrspace(1)* %t ; PLAIN: } ; PLAIN: define i1 addrspace(2)* @foo1() nounwind { ; PLAIN: %t = bitcast i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i32 1 to i1 addrspace(2)*), i32 -2) to i1 addrspace(2)* ; PLAIN: ret i1 addrspace(2)* %t ; PLAIN: } ; PLAIN: define i8 addrspace(1)* @hoo8() nounwind { ; PLAIN: %t = bitcast i8 addrspace(1)* getelementptr (i8 addrspace(1)* null, i32 -1) to i8 addrspace(1)* ; PLAIN: ret i8 addrspace(1)* %t ; PLAIN: } ; PLAIN: define i1 addrspace(2)* @hoo1() nounwind { ; PLAIN: %t = bitcast i1 addrspace(2)* getelementptr (i1 addrspace(2)* null, i32 -1) to i1 addrspace(2)* ; PLAIN: ret i1 addrspace(2)* %t ; PLAIN: } define i8 addrspace(1)* @goo8() nounwind { %t = bitcast i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -1) to i8 addrspace(1)* ret i8 addrspace(1)* %t } define i1 addrspace(2)* @goo1() nounwind { %t = bitcast i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i32 1 to i1 addrspace(2)*), i32 -1) to i1 addrspace(2)* ret i1 addrspace(2)* %t } define i8 addrspace(1)* @foo8() nounwind { %t = bitcast i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -2) to i8 addrspace(1)* ret i8 addrspace(1)* %t } define i1 addrspace(2)* @foo1() nounwind { %t = bitcast i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i32 1 to i1 addrspace(2)*), i32 -2) to i1 addrspace(2)* ret i1 addrspace(2)* %t } define i8 addrspace(1)* @hoo8() nounwind { %t = bitcast i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 0 to i8 addrspace(1)*), i32 -1) to i8 addrspace(1)* ret i8 addrspace(1)* %t } define i1 addrspace(2)* @hoo1() nounwind { %t = bitcast i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i32 0 to i1 addrspace(2)*), i32 -1) to i1 addrspace(2)* ret i1 addrspace(2)* %t } ; PLAIN-X: define i64 @fa() nounwind { ; PLAIN-X: %t = bitcast i64 mul (i64 ptrtoint (double addrspace(4)* getelementptr (double addrspace(4)* null, i32 1) to i64), i64 2310) to i64 ; PLAIN-X: ret i64 %t ; PLAIN-X: } ; PLAIN-X: define i64 @fb() nounwind { ; PLAIN-X: %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({ i1, double }* null, i64 0, i32 1) to i64) to i64 ; PLAIN-X: ret i64 %t ; PLAIN-X: } ; PLAIN-X: define i64 @fc() nounwind { ; PLAIN-X: %t = bitcast i64 mul nuw (i64 ptrtoint (double addrspace(4)* getelementptr (double addrspace(4)* null, i32 1) to i64), i64 2) to i64 ; PLAIN-X: ret i64 %t ; PLAIN-X: } ; PLAIN-X: define i64 @fd() nounwind { ; PLAIN-X: %t = bitcast i64 mul nuw (i64 ptrtoint (double addrspace(4)* getelementptr (double addrspace(4)* null, i32 1) to i64), i64 11) to i64 ; PLAIN-X: ret i64 %t ; PLAIN-X: } ; PLAIN-X: define i64 @fe() nounwind { ; PLAIN-X: %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({ double, float, double, double }* null, i64 0, i32 2) to i64) to i64 ; PLAIN-X: ret i64 %t ; PLAIN-X: } ; PLAIN-X: define i64 @ff() nounwind { ; PLAIN-X: %t = bitcast i64 1 to i64 ; PLAIN-X: ret i64 %t ; PLAIN-X: } ; PLAIN-X: define i64 @fg() nounwind { ; PLAIN-X: %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({ i1, double }* null, i64 0, i32 1) to i64) to i64 ; PLAIN-X: ret i64 %t ; PLAIN-X: } ; PLAIN-X: define i64 @fh() nounwind { ; PLAIN-X: %t = bitcast i64 ptrtoint (i1 addrspace(2)* getelementptr (i1 addrspace(2)* null, i32 1) to i64) to i64 ; PLAIN-X: ret i64 %t ; PLAIN-X: } ; PLAIN-X: define i64 @fi() nounwind { ; PLAIN-X: %t = bitcast i64 ptrtoint (i1 addrspace(2)* getelementptr ({ i1, i1 addrspace(2)* }* null, i64 0, i32 1) to i64) to i64 ; PLAIN-X: ret i64 %t ; PLAIN-X: } 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]}* null, i64 11) to i64), i64 5)) to i64 ret i64 %t } define i64 @fb() nounwind { %t = bitcast i64 ptrtoint ([13 x double] addrspace(4)* getelementptr ({i1, [13 x double]} addrspace(4)* null, i64 0, i32 1) to i64) to i64 ret i64 %t } define i64 @fc() nounwind { %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({double, double, double, double} addrspace(4)* null, i64 0, i32 2) to i64) to i64 ret i64 %t } define i64 @fd() nounwind { %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ([13 x double] addrspace(4)* null, i64 0, i32 11) to i64) to i64 ret i64 %t } define i64 @fe() nounwind { %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({double, float, double, double} addrspace(4)* null, i64 0, i32 2) to i64) to i64 ret i64 %t } define i64 @ff() nounwind { %t = bitcast i64 ptrtoint (<{ i16, i128 }> addrspace(4)* getelementptr ({i1, <{ i16, i128 }>} addrspace(4)* null, i64 0, i32 1) to i64) to i64 ret i64 %t } define i64 @fg() nounwind { %t = bitcast i64 ptrtoint ({double, double} addrspace(4)* getelementptr ({i1, {double, double}} addrspace(4)* null, i64 0, i32 1) to i64) to i64 ret i64 %t } define i64 @fh() nounwind { %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr (double addrspace(4)* null, i32 1) to i64) to i64 ret i64 %t } define i64 @fi() nounwind { %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({i1, double}addrspace(4)* null, i64 0, i32 1) to i64) to i64 ret i64 %t } ; PLAIN: define i64* @fM() nounwind { ; PLAIN: %t = bitcast i64* getelementptr (i64* null, i32 1) to i64* ; PLAIN: ret i64* %t ; PLAIN: } ; PLAIN: define i64* @fN() nounwind { ; PLAIN: %t = bitcast i64* getelementptr ({ i64, i64 }* null, i32 0, i32 1) to i64* ; PLAIN: ret i64* %t ; PLAIN: } ; PLAIN: define i64* @fO() nounwind { ; PLAIN: %t = bitcast i64* getelementptr ([2 x i64]* null, i32 0, i32 1) to i64* ; PLAIN: ret i64* %t ; PLAIN: } define i64* @fM() nounwind { %t = bitcast i64* getelementptr (i64* null, i32 1) to i64* ret i64* %t } define i64* @fN() nounwind { %t = bitcast i64* getelementptr ({ i64, i64 }* null, i32 0, i32 1) to i64* ret i64* %t } define i64* @fO() nounwind { %t = bitcast i64* getelementptr ([2 x i64]* null, i32 0, i32 1) to i64* ret i64* %t } ; PLAIN: define i32 addrspace(1)* @fZ() nounwind { ; PLAIN: %t = bitcast i32 addrspace(1)* getelementptr inbounds (i32 addrspace(1)* getelementptr inbounds ([3 x { i32, i32 }] addrspace(1)* @ext2, i64 0, i64 1, i32 0), i64 1) to i32 addrspace(1)* ; PLAIN: ret i32 addrspace(1)* %t ; PLAIN: } @ext2 = external addrspace(1) global [3 x { i32, i32 }] define i32 addrspace(1)* @fZ() nounwind { %t = bitcast i32 addrspace(1)* getelementptr inbounds (i32 addrspace(1)* getelementptr inbounds ([3 x { i32, i32 }] addrspace(1)* @ext2, i64 0, i64 1, i32 0), i64 1) to i32 addrspace(1)* ret i32 addrspace(1)* %t }