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-rw-r--r--gcc/testsuite/gcc.dg/fold-div-3.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/fold-div-3.c b/gcc/testsuite/gcc.dg/fold-div-3.c
new file mode 100644
index 000000000..2e78757fa
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/fold-div-3.c
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fdump-tree-original" } */
+
+unsigned int
+apply_frontend_param (unsigned int spi_bias)
+{
+ static const int ppm = 8000;
+ spi_bias /= 1000ULL + ppm/1000;
+ return spi_bias;
+}
+
+/* Make sure we perform the division in the narrower type. */
+
+/* { dg-final { scan-tree-dump "spi_bias = spi_bias / 1008;" "original" } } */
+/* { dg-final { cleanup-tree-dump "original" } } */