; The register allocator can commute two-address instructions to avoid
; insertion of register-register copies.
-; Check that there are no register-register copies left.
-; RUN: llvm-as < %s | llc -march=x86 -x86-asm-syntax=intel | not grep 'mov %E.X, %E.X'
+; Make sure there are only 3 mov's for each testcase
+; RUN: llvm-as < %s | llc -march=x86 -x86-asm-syntax=intel | \
+; RUN: grep {\\\<mov\\\>} | count 6
-%G = external global int
-declare void %ext(int)
+target triple = "i686-pc-linux-gnu"
+@G = external global i32 ; <i32*> [#uses=2]
-int %add_test(int %X, int %Y) {
- %Z = add int %X, %Y ;; Last use of Y, but not of X.
- store int %Z, int* %G
- ret int %X
+declare void @ext(i32)
+
+define i32 @add_test(i32 %X, i32 %Y) {
+ %Z = add i32 %X, %Y ; <i32> [#uses=1]
+ store i32 %Z, i32* @G
+ ret i32 %X
}
-int %xor_test(int %X, int %Y) {
- %Z = xor int %X, %Y ;; Last use of Y, but not of X.
- store int %Z, int* %G
- ret int %X
+define i32 @xor_test(i32 %X, i32 %Y) {
+ %Z = xor i32 %X, %Y ; <i32> [#uses=1]
+ store i32 %Z, i32* @G
+ ret i32 %X
}
+