-; RUN: llc < %s -march=x86-64 > %t
-; RUN: not grep and %t
-; RUN: not grep movz %t
-; RUN: not grep sar %t
-; RUN: not grep shl %t
-; RUN: grep add %t | count 1
-; RUN: grep inc %t | count 4
-; RUN: grep dec %t | count 2
-; RUN: grep lea %t | count 3
+; RUN: llc < %s -mcpu=generic -march=x86-64 | FileCheck %s
; Optimize away zext-inreg and sext-inreg on the loop induction
; variable using trip-count information.
+; CHECK-LABEL: count_up
+; CHECK-NOT: {{and|movz|sar|shl}}
+; CHECK: incq
+; CHECK-NOT: {{and|movz|sar|shl}}
+; CHECK: jne
define void @count_up(double* %d, i64 %n) nounwind {
entry:
br label %loop
ret void
}
+; CHECK-LABEL: count_down
+; CHECK-NOT: {{and|movz|sar|shl}}
+; CHECK: addq
+; CHECK-NOT: {{and|movz|sar|shl}}
+; CHECK: jne
define void @count_down(double* %d, i64 %n) nounwind {
entry:
br label %loop
ret void
}
+; CHECK-LABEL: count_up_signed
+; CHECK-NOT: {{and|movz|sar|shl}}
+; CHECK: incq
+; CHECK-NOT: {{and|movz|sar|shl}}
+; CHECK: jne
define void @count_up_signed(double* %d, i64 %n) nounwind {
entry:
br label %loop
ret void
}
+; CHECK-LABEL: count_down_signed
+; CHECK-NOT: {{and|movz|sar|shl}}
+; CHECK: addq
+; CHECK-NOT: {{and|movz|sar|shl}}
+; CHECK: jne
define void @count_down_signed(double* %d, i64 %n) nounwind {
entry:
br label %loop
ret void
}
+; CHECK-LABEL: another_count_up
+; CHECK-NOT: {{and|movz|sar|shl}}
+; CHECK: addq
+; CHECK-NOT: {{and|movz|sar|shl}}
+; CHECK: jne
define void @another_count_up(double* %d, i64 %n) nounwind {
entry:
br label %loop
ret void
}
+; CHECK-LABEL: another_count_down
+; CHECK-NOT: {{and|movz|sar|shl}}
+; CHECK: addq $-8,
+; CHECK-NOT: {{and|movz|sar|shl}}
+; CHECK: jne
define void @another_count_down(double* %d, i64 %n) nounwind {
entry:
br label %loop
ret void
}
+; CHECK-LABEL: another_count_up_signed
+; CHECK-NOT: {{and|movz|sar|shl}}
+; CHECK: addq
+; CHECK-NOT: {{and|movz|sar|shl}}
+; CHECK: jne
define void @another_count_up_signed(double* %d, i64 %n) nounwind {
entry:
br label %loop
ret void
}
+; CHECK-LABEL: another_count_down_signed
+; CHECK-NOT: {{and|movz|sar|shl}}
+; CHECK: decq
+; CHECK-NOT: {{and|movz|sar|shl}}
+; CHECK: jne
define void @another_count_down_signed(double* %d, i64 %n) nounwind {
entry:
br label %loop