diff --git a/polly/lib/External/isl/imath/gmp_compat.c b/polly/lib/External/isl/imath/gmp_compat.c
--- a/polly/lib/External/isl/imath/gmp_compat.c
+++ b/polly/lib/External/isl/imath/gmp_compat.c
@@ -535,7 +535,7 @@
     The imath library only supports truncate as a rounding mode. We need to
     implement the other rounding modes in terms of truncating division. We first
     perform the division in trucate mode and then adjust q accordingly. Once we
-    know q, we can easily compute the correct r according the the formula above
+    know q, we can easily compute the correct r according the formula above
     by computing:
 
       r = N - q * D
diff --git a/polly/lib/External/isl/isl_tab_pip.c b/polly/lib/External/isl/isl_tab_pip.c
--- a/polly/lib/External/isl/isl_tab_pip.c
+++ b/polly/lib/External/isl/isl_tab_pip.c
@@ -966,7 +966,7 @@
  *		\sum_i a_i y_i
  *
  * where y_0 = 1, but none of the y_i corresponds to the big parameter M.
- * The the returned div is equal to
+ * The returned div is equal to
  *
  *		floor(\sum_i {a_i} y_i) = floor((\sum_i (a_i mod d) y_i)/d)
  */
diff --git a/polly/test/DeLICM/skip_multiaccess.ll b/polly/test/DeLICM/skip_multiaccess.ll
--- a/polly/test/DeLICM/skip_multiaccess.ll
+++ b/polly/test/DeLICM/skip_multiaccess.ll
@@ -4,7 +4,7 @@
 ; llvm.org/PR34989
 ;
 ; The memset causes the array A to be divided into i8-sized subelements.
-; The the regular store then writes multiple of these subelements, which
+; The regular store then writes multiple of these subelements, which
 ; we do not support currently.
 ;
 ;    void func(double *A) {
diff --git a/polly/test/ScopInfo/exit-phi-1.ll b/polly/test/ScopInfo/exit-phi-1.ll
--- a/polly/test/ScopInfo/exit-phi-1.ll
+++ b/polly/test/ScopInfo/exit-phi-1.ll
@@ -2,7 +2,7 @@
 ; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-codegen -S < %s | FileCheck %s --check-prefix=CODEGEN
 ;
 ; Check for correct code generation of exit PHIs, even if the same PHI value
-; is used again inside the the SCoP.
+; is used again inside the SCoP.
 ; Note that if.else113 is removed from the SCoP because it is never executed.
 ;
 ; CHECK: Region: %for.body