forked from OSchip/llvm-project
29 lines
1.1 KiB
LLVM
29 lines
1.1 KiB
LLVM
; RUN: llc %s -o - --x86-asm-syntax=att | grep {cmp. \$10}
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
|
|
target triple = "x86_64-apple-darwin9"
|
|
|
|
; The comparison happens after the relevant use, so the stride can easily
|
|
; be changed. The comparison can be done in a narrower mode than the
|
|
; induction variable.
|
|
; TODO: By making the first store post-increment as well, the loop setup
|
|
; could be made simpler.
|
|
|
|
define void @foo() nounwind {
|
|
entry:
|
|
br label %loop
|
|
|
|
loop:
|
|
%indvar = phi i32 [ 0, %entry ], [ %i.2.0.us1534, %loop ] ; <i32> [#uses=1]
|
|
%i.2.0.us1534 = add i32 %indvar, 1 ; <i32> [#uses=3]
|
|
%tmp628.us1540 = shl i32 %i.2.0.us1534, 1 ; <i32> [#uses=1]
|
|
%tmp645646647.us1547 = sext i32 %tmp628.us1540 to i64 ; <i64> [#uses=1]
|
|
store i64 %tmp645646647.us1547, i64* null
|
|
%tmp611.us1535 = icmp eq i32 %i.2.0.us1534, 4 ; <i1> [#uses=2]
|
|
%tmp623.us1538 = select i1 %tmp611.us1535, i32 6, i32 0 ; <i32> [#uses=1]
|
|
store i32 %tmp623.us1538, i32* null
|
|
br i1 %tmp611.us1535, label %exit, label %loop
|
|
|
|
exit:
|
|
ret void
|
|
}
|