; PLAIN: %1 = type { double, float, double, double }
; PLAIN: %2 = type { i1, i1* }
; PLAIN: %3 = type { i64, i64 }
+; PLAIN: %4 = type { i32, i32 }
; OPT: %0 = type { i1, double }
; OPT: %1 = type { double, float, double, double }
; OPT: %2 = type { i1, i1* }
; OPT: %3 = type { i64, i64 }
+; OPT: %4 = type { i32, i32 }
; 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
; PLAIN: @g = constant i64 ptrtoint (double* getelementptr (%0* null, i64 0, i32 1) to i64)
; PLAIN: @h = constant i64 ptrtoint (i1** getelementptr (i1** null, i32 1) to i64)
; PLAIN: @i = constant i64 ptrtoint (i1** getelementptr (%2* null, i64 0, i32 1) to i64)
-; PLAIN: @j = constant i64 ptrtoint (double* getelementptr (%0* null, i64 0, i32 1) to i64)
-; PLAIN: @k = constant i64 ptrtoint (double* getelementptr (double* null, i32 1) to i64)
; OPT: @a = constant i64 mul (i64 ptrtoint (double* getelementptr (double* null, i32 1) to i64), i64 2310)
; OPT: @b = constant i64 ptrtoint (double* getelementptr (%0* null, i64 0, i32 1) to i64)
; OPT: @c = constant i64 mul (i64 ptrtoint (double* getelementptr (double* null, i32 1) to i64), i64 2)
; OPT: @g = constant i64 ptrtoint (double* getelementptr (%0* null, i64 0, i32 1) to i64)
; OPT: @h = constant i64 ptrtoint (i1** getelementptr (i1** null, i32 1) to i64)
; OPT: @i = constant i64 ptrtoint (i1** getelementptr (%2* null, i64 0, i32 1) to i64)
-; OPT: @j = constant i64 ptrtoint (double* getelementptr (%0* null, i64 0, i32 1) to i64)
-; OPT: @k = constant i64 ptrtoint (double* getelementptr (double* null, i32 1) to i64)
; TO: @a = constant i64 18480
; TO: @b = constant i64 8
; TO: @c = constant i64 16
; TO: @g = constant i64 8
; TO: @h = constant i64 8
; TO: @i = constant i64 8
-; TO: @j = constant i64 8
-; TO: @k = 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]}* null, i64 11) to i64), i64 5))
@b = constant i64 ptrtoint ([13 x double]* getelementptr ({i1, [13 x double]}* null, i64 0, i32 1) to i64)
@g = constant i64 ptrtoint ({double, double}* getelementptr ({i1, {double, double}}* null, i64 0, i32 1) to i64)
@h = constant i64 ptrtoint (double** getelementptr (double** null, i64 1) to i64)
@i = constant i64 ptrtoint (double** getelementptr ({i1, double*}* null, i64 0, i32 1) to i64)
-@j = constant i64 ptrtoint (union {double, double}* getelementptr ({i1, union {double, double}}* null, i64 0, i32 1) to i64)
-@k = constant i64 ptrtoint (union {double, double}* getelementptr (union {double, double}* null, i64 1) to i64)
; The target-dependent folder should cast GEP indices to integer-sized pointers.
; TO: @N = constant i64* inttoptr (i64 8 to i64*)
; TO: @O = constant i64* inttoptr (i64 8 to i64*)
-@M = constant i64* getelementptr (i64 *null, i32 1)
-@N = constant i64* getelementptr ({ i64, i64 } *null, i32 0, i32 1)
-@O = constant i64* getelementptr ([2 x i64] *null, i32 0, i32 1)
+@M = constant i64* getelementptr (i64* null, i32 1)
+@N = constant i64* getelementptr ({ i64, i64 }* null, i32 0, i32 1)
+@O = constant i64* getelementptr ([2 x i64]* null, i32 0, i32 1)
+
+; Fold GEP of a GEP. Theoretically some of these cases could be folded
+; without using targetdata, however that's not implemented yet.
+
+; PLAIN: @Z = global i32* getelementptr inbounds (i32* getelementptr inbounds ([3 x %4]* @ext, i64 0, i64 1, i32 0), i64 1)
+; OPT: @Z = global i32* getelementptr (i32* getelementptr inbounds ([3 x %4]* @ext, i64 0, i64 1, i32 0), i64 1)
+; TO: @Z = global i32* getelementptr inbounds ([3 x %0]* @ext, i64 0, i64 1, i32 1)
+
+@ext = external global [3 x { i32, i32 }]
+@Z = global i32* getelementptr inbounds (i32* getelementptr inbounds ([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: %t = bitcast i64 ptrtoint (i1** getelementptr (%2* null, i64 0, i32 1) to i64) to i64
; PLAIN: ret i64 %t
; PLAIN: }
-; PLAIN: define i64 @fj() nounwind {
-; PLAIN: %t = bitcast i64 ptrtoint (double* getelementptr (%0* null, i64 0, i32 1) to i64) to i64
-; PLAIN: ret i64 %t
-; PLAIN: }
-; PLAIN: define i64 @fk() nounwind {
-; PLAIN: %t = bitcast i64 ptrtoint (double* getelementptr (double* null, i32 1) to i64) to i64
-; PLAIN: ret i64 %t
-; PLAIN: }
; OPT: define i64 @fa() nounwind {
; OPT: ret i64 mul (i64 ptrtoint (double* getelementptr (double* null, i32 1) to i64), i64 2310)
; OPT: }
; OPT: define i64 @fi() nounwind {
; OPT: ret i64 ptrtoint (i1** getelementptr (%2* null, i64 0, i32 1) to i64)
; OPT: }
-; OPT: define i64 @fj() nounwind {
-; OPT: ret i64 ptrtoint (double* getelementptr (%0* null, i64 0, i32 1) to i64)
-; OPT: }
-; OPT: define i64 @fk() nounwind {
-; OPT: ret i64 ptrtoint (double* getelementptr (double* null, i32 1) to i64)
-; OPT: }
; TO: define i64 @fa() nounwind {
; TO: ret i64 18480
; TO: }
; TO: define i64 @fi() nounwind {
; TO: ret i64 8
; TO: }
-; TO: define i64 @fj() nounwind {
-; TO: ret i64 8
-; TO: }
-; TO: define i64 @fk() nounwind {
-; TO: ret i64 8
-; TO: }
; SCEV: Classifying expressions for: @fa
; SCEV: %t = bitcast i64 mul (i64 ptrtoint (double* getelementptr (double* null, i32 1) to i64), i64 2310) to i64
; SCEV: --> (2310 * sizeof(double))
; SCEV: Classifying expressions for: @fi
; SCEV: %t = bitcast i64 ptrtoint (i1** getelementptr (%2* null, i64 0, i32 1) to i64) to i64
; SCEV: --> alignof(i1*)
-; SCEV: Classifying expressions for: @fj
-; SCEV: %t = bitcast i64 ptrtoint (double* getelementptr (%0* null, i64 0, i32 1) to i64) to i64
-; SCEV: --> alignof(double)
-; SCEV: Classifying expressions for: @fk
-; SCEV: %t = bitcast i64 ptrtoint (double* getelementptr (double* null, i32 1) to i64) to i64
-; SCEV: --> sizeof(double)
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
%t = bitcast i64 ptrtoint (double** getelementptr ({i1, double*}* null, i64 0, i32 1) to i64) to i64
ret i64 %t
}
-define i64 @fj() nounwind {
- %t = bitcast i64 ptrtoint (union {double, double}* getelementptr ({i1, union {double, double}}* null, i64 0, i32 1) to i64) to i64
- ret i64 %t
-}
-define i64 @fk() nounwind {
- %t = bitcast i64 ptrtoint (union {double, double}* getelementptr (union {double, double}* null, i64 1) to i64) to i64
- ret i64 %t
-}
; PLAIN: define i64* @fM() nounwind {
; PLAIN: %t = bitcast i64* getelementptr (i64* null, i32 1) to i64*
; SCEV: --> sizeof(i64)
define i64* @fM() nounwind {
- %t = bitcast i64* getelementptr (i64 *null, i32 1) to i64*
+ %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*
+ %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*
+ %t = bitcast i64* getelementptr ([2 x i64]* null, i32 0, i32 1) to i64*
ret i64* %t
}
+
+; PLAIN: define i32* @fZ() nounwind {
+; PLAIN: %t = bitcast i32* getelementptr inbounds (i32* getelementptr inbounds ([3 x %4]* @ext, i64 0, i64 1, i32 0), i64 1) to i32*
+; PLAIN: ret i32* %t
+; PLAIN: }
+; OPT: define i32* @fZ() nounwind {
+; OPT: ret i32* getelementptr inbounds (i32* getelementptr inbounds ([3 x %4]* @ext, i64 0, i64 1, i32 0), i64 1)
+; OPT: }
+; TO: define i32* @fZ() nounwind {
+; TO: ret i32* getelementptr inbounds ([3 x %0]* @ext, i64 0, i64 1, i32 1)
+; TO: }
+; SCEV: Classifying expressions for: @fZ
+; SCEV: %t = bitcast i32* getelementptr inbounds (i32* getelementptr inbounds ([3 x %4]* @ext, i64 0, i64 1, i32 0), i64 1) to i32*
+; SCEV: --> ((3 * sizeof(i32)) + @ext)
+
+define i32* @fZ() nounwind {
+ %t = bitcast i32* getelementptr inbounds (i32* getelementptr inbounds ([3 x { i32, i32 }]* @ext, i64 0, i64 1, i32 0), i64 1) to i32*
+ ret i32* %t
+}