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authorChris Lattner <sabre@nondot.org>2008-04-19 22:29:10 +0000
committerChris Lattner <sabre@nondot.org>2008-04-19 22:29:10 +0000
commit50fb77f829b5395abf52b949624166570a7a73a0 (patch)
tree7be50ec611dc2d8cb2f9174cfdbcc3103b68a4e6 /llvm/test/CodeGen/X86/fp_load_fold.ll
parentfe48fbc1f155888230dc40070b47302a624c9590 (diff)
downloadbcm5719-llvm-50fb77f829b5395abf52b949624166570a7a73a0.tar.gz
bcm5719-llvm-50fb77f829b5395abf52b949624166570a7a73a0.zip
rename *.llx -> *.ll
llvm-svn: 49970
Diffstat (limited to 'llvm/test/CodeGen/X86/fp_load_fold.ll')
-rw-r--r--llvm/test/CodeGen/X86/fp_load_fold.ll40
1 files changed, 40 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/fp_load_fold.ll b/llvm/test/CodeGen/X86/fp_load_fold.ll
new file mode 100644
index 00000000000..7c33cb32bc6
--- /dev/null
+++ b/llvm/test/CodeGen/X86/fp_load_fold.ll
@@ -0,0 +1,40 @@
+; RUN: llvm-as < %s | llc -march=x86 -x86-asm-syntax=intel | \
+; RUN: grep -i ST | not grep {fadd\\|fsub\\|fdiv\\|fmul}
+
+; Test that the load of the memory location is folded into the operation.
+
+define double @test_add(double %X, double* %P) {
+ %Y = load double* %P ; <double> [#uses=1]
+ %R = add double %X, %Y ; <double> [#uses=1]
+ ret double %R
+}
+
+define double @test_mul(double %X, double* %P) {
+ %Y = load double* %P ; <double> [#uses=1]
+ %R = mul double %X, %Y ; <double> [#uses=1]
+ ret double %R
+}
+
+define double @test_sub(double %X, double* %P) {
+ %Y = load double* %P ; <double> [#uses=1]
+ %R = sub double %X, %Y ; <double> [#uses=1]
+ ret double %R
+}
+
+define double @test_subr(double %X, double* %P) {
+ %Y = load double* %P ; <double> [#uses=1]
+ %R = sub double %Y, %X ; <double> [#uses=1]
+ ret double %R
+}
+
+define double @test_div(double %X, double* %P) {
+ %Y = load double* %P ; <double> [#uses=1]
+ %R = fdiv double %X, %Y ; <double> [#uses=1]
+ ret double %R
+}
+
+define double @test_divr(double %X, double* %P) {
+ %Y = load double* %P ; <double> [#uses=1]
+ %R = fdiv double %Y, %X ; <double> [#uses=1]
+ ret double %R
+}
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