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-rw-r--r--test/CodeGen/X86/fp_load_fold.llx40
1 files changed, 40 insertions, 0 deletions
diff --git a/test/CodeGen/X86/fp_load_fold.llx b/test/CodeGen/X86/fp_load_fold.llx
new file mode 100644
index 0000000000..7ce437d492
--- /dev/null
+++ b/test/CodeGen/X86/fp_load_fold.llx
@@ -0,0 +1,40 @@
+; RUN: llvm-as < %s | llc -march=x86 | grep ST | not grep 'fadd\|fsub\|fdiv\|fmul'
+
+; Test that the load of the memory location is folded into the operation.
+
+
+double %test_add(double %X, double *%P) {
+ %Y = load double* %P
+ %R = add double %X, %Y
+ ret double %R
+}
+
+double %test_mul(double %X, double *%P) {
+ %Y = load double* %P
+ %R = mul double %X, %Y
+ ret double %R
+}
+
+double %test_sub(double %X, double *%P) {
+ %Y = load double* %P
+ %R = sub double %X, %Y
+ ret double %R
+}
+
+double %test_subr(double %X, double *%P) {
+ %Y = load double* %P
+ %R = sub double %Y, %X
+ ret double %R
+}
+
+double %test_div(double %X, double *%P) {
+ %Y = load double* %P
+ %R = div double %X, %Y
+ ret double %R
+}
+
+double %test_divr(double %X, double *%P) {
+ %Y = load double* %P
+ %R = div double %Y, %X
+ ret double %R
+}