forked from OSchip/llvm-project
53 lines
1.5 KiB
LLVM
53 lines
1.5 KiB
LLVM
; RUN: opt < %s -loop-reduce -S | grep phi | count 2
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; PR 2779
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; Provide legal integer types.
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target datalayout = "n8:16:32:64"
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@g_19 = common global i32 0 ; <i32*> [#uses=3]
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@"\01LC" = internal constant [4 x i8] c"%d\0A\00" ; <[4 x i8]*> [#uses=1]
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define i32 @func_8(i8 zeroext %p_9) nounwind {
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entry:
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ret i32 1
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}
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define i32 @func_3(i8 signext %p_5) nounwind {
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entry:
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ret i32 1
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}
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define void @func_1() nounwind {
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entry:
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br label %bb
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bb: ; preds = %bb, %entry
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%indvar = phi i16 [ 0, %entry ], [ %indvar.next, %bb ] ; <i16> [#uses=2]
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%tmp = sub i16 0, %indvar ; <i16> [#uses=1]
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%tmp27 = trunc i16 %tmp to i8 ; <i8> [#uses=1]
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load i32, i32* @g_19, align 4 ; <i32>:0 [#uses=2]
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add i32 %0, 1 ; <i32>:1 [#uses=1]
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store i32 %1, i32* @g_19, align 4
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trunc i32 %0 to i8 ; <i8>:2 [#uses=1]
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tail call i32 @func_8( i8 zeroext %2 ) nounwind ; <i32>:3 [#uses=0]
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shl i8 %tmp27, 2 ; <i8>:4 [#uses=1]
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add i8 %4, -112 ; <i8>:5 [#uses=1]
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tail call i32 @func_3( i8 signext %5 ) nounwind ; <i32>:6 [#uses=0]
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%indvar.next = add i16 %indvar, 1 ; <i16> [#uses=2]
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%exitcond = icmp eq i16 %indvar.next, -28 ; <i1> [#uses=1]
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br i1 %exitcond, label %return, label %bb
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return: ; preds = %bb
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ret void
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}
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define i32 @main() nounwind {
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entry:
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tail call void @func_1( ) nounwind
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load i32, i32* @g_19, align 4 ; <i32>:0 [#uses=1]
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tail call i32 (i8*, ...) @printf( i8* getelementptr ([4 x i8], [4 x i8]* @"\01LC", i32 0, i32 0), i32 %0 ) nounwind ; <i32>:1 [#uses=0]
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ret i32 0
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}
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declare i32 @printf(i8*, ...) nounwind
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