;; allocator turns the shift into an LEA. This also occurs for ADD.
; Check that the shift gets turned into an LEA.
-; RUN: llc < %s -march=x86 -x86-asm-syntax=intel | \
-; RUN: not grep {mov E.X, E.X}
+; RUN: llc < %s -mcpu=generic -mtriple=x86_64-apple-darwin | FileCheck %s
-@G = external global i32 ; <i32*> [#uses=3]
+@G = external global i32
-define i32 @test1(i32 %X, i32 %Y) {
- %Z = add i32 %X, %Y ; <i32> [#uses=1]
- volatile store i32 %Y, i32* @G
- volatile store i32 %Z, i32* @G
+define i32 @test1(i32 %X) nounwind {
+; CHECK-LABEL: test1:
+; CHECK-NOT: mov
+; CHECK: leal 1(%rdi)
+ %Z = add i32 %X, 1
+ store volatile i32 %Z, i32* @G
ret i32 %X
}
-define i32 @test2(i32 %X) {
- %Z = add i32 %X, 1 ; <i32> [#uses=1]
- volatile store i32 %Z, i32* @G
- ret i32 %X
+; rdar://8977508
+; The second add should not be transformed to leal nor should it be
+; commutted (which would require inserting a copy).
+define i32 @test2(i32 inreg %a, i32 inreg %b, i32 %c, i32 %d) nounwind {
+entry:
+; CHECK-LABEL: test2:
+; CHECK: leal
+; CHECK-NOT: leal
+; CHECK-NOT: mov
+; CHECK-NEXT: addl
+; CHECK-NEXT: ret
+ %add = add i32 %b, %a
+ %add3 = add i32 %add, %c
+ %add5 = add i32 %add3, %d
+ ret i32 %add5
+}
+
+; rdar://9002648
+define i64 @test3(i64 %x) nounwind readnone ssp {
+entry:
+; CHECK-LABEL: test3:
+; CHECK: leaq (%rdi,%rdi), %rax
+; CHECK-NOT: addq
+; CHECK-NEXT: ret
+ %0 = shl i64 %x, 1
+ ret i64 %0
}