36 lines
1.0 KiB
LLVM
36 lines
1.0 KiB
LLVM
; RUN: opt < %s -loop-reduce -S | grep add | count 2
|
|
; PR 2662
|
|
|
|
; Provide legal integer types.
|
|
target datalayout = "n8:16:32:64"
|
|
|
|
@g_3 = common global i16 0 ; <i16*> [#uses=2]
|
|
@"\01LC" = internal constant [4 x i8] c"%d\0A\00" ; <[4 x i8]*> [#uses=1]
|
|
|
|
define void @func_1() nounwind {
|
|
entry:
|
|
br label %bb
|
|
|
|
bb: ; preds = %bb, %entry
|
|
%l_2.0.reg2mem.0 = phi i16 [ 0, %entry ], [ %t1, %bb ] ; <i16> [#uses=2]
|
|
%t0 = shl i16 %l_2.0.reg2mem.0, 1 ; <i16>:0 [#uses=1]
|
|
store volatile i16 %t0, i16* @g_3, align 2
|
|
%t1 = add i16 %l_2.0.reg2mem.0, -3 ; <i16>:1 [#uses=2]
|
|
%t2 = icmp slt i16 %t1, 1 ; <i1>:2 [#uses=1]
|
|
br i1 %t2, label %bb, label %return
|
|
|
|
return: ; preds = %bb
|
|
ret void
|
|
}
|
|
|
|
define i32 @main() nounwind {
|
|
entry:
|
|
tail call void @func_1( ) nounwind
|
|
load volatile i16, i16* @g_3, align 2 ; <i16>:0 [#uses=1]
|
|
zext i16 %0 to i32 ; <i32>:1 [#uses=1]
|
|
tail call i32 (i8*, ...) @printf( i8* getelementptr ([4 x i8], [4 x i8]* @"\01LC", i32 0, i32 0), i32 %1 ) nounwind ; <i32>:2 [#uses=0]
|
|
ret i32 0
|
|
}
|
|
|
|
declare i32 @printf(i8*, ...) nounwind
|