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authorAlexandre Oliva <aoliva@gcc.gnu.org>2009-11-21 05:04:30 +0000
committerAlexandre Oliva <aoliva@gcc.gnu.org>2009-11-21 05:04:30 +0000
commit21cf718065ecda762be39bd34606b29239d2efaf (patch)
tree45cdd369007484a44434fbf6ca63aa95185eabd6 /gcc/testsuite/gcc.dg
parent04482dd1056ef5718524cefc4b43c5ef7eea986f (diff)
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re PR tree-optimization/42078 (ICE in gimple_assign_set_rhs_code)
gcc/ChangeLog: PR tree-optimization/42078 * gimple.h (gimple_replace_lhs): New declaration. * gimple.c (gimple_replace_lhs): New function. * tree-ssa-math-opts.c (execute_cse_reciprocals): Call it before modifying the call. gcc/testsuite/ChangeLog: PR tree-optimization/42078 * gcc.dg/pr42078.c: New test. From-SVN: r154400
Diffstat (limited to 'gcc/testsuite/gcc.dg')
-rw-r--r--gcc/testsuite/gcc.dg/pr42078.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr42078.c b/gcc/testsuite/gcc.dg/pr42078.c
new file mode 100644
index 0000000..8107ff5
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr42078.c
@@ -0,0 +1,22 @@
+/* PR tree-optimization/42078 */
+/* { dg-do compile } */
+/* { dg-options "-g -O -ffast-math" } */
+
+double sqrt (double x);
+
+float
+foo (float x)
+{
+ float y = sqrt (x);
+ return x / y;
+}
+
+inline float
+bar (float x)
+{
+ float y = sqrt (x);
+ float a = y;
+ float b = y;
+ float c = y;
+ return x / y;
+}