forked from OSchip/llvm-project
67 lines
3.1 KiB
LLVM
67 lines
3.1 KiB
LLVM
; RUN: opt %loadPolly %defaultOpts -polly-cloog -analyze < %s | FileCheck %s
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; RUN: opt %loadPolly %defaultOpts < %s | lli
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; RUN: opt %loadPolly %defaultOpts -polly-codegen < %s | lli
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; ModuleID = 'single_do_loop_scev_replace.s'
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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-n8:16:32:64"
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target triple = "x86_64-unknown-linux-gnu"
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%struct._IO_FILE = type { i32, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, %struct._IO_marker*, %struct._IO_FILE*, i32, i32, i64, i16, i8, [1 x i8], i8*, i64, i8*, i8*, i8*, i8*, i64, i32, [20 x i8] }
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%struct._IO_marker = type { %struct._IO_marker*, %struct._IO_FILE*, i32 }
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@A = common global [40 x i32] zeroinitializer, align 4 ; <[40 x i32]*> [#uses=3]
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@stdout = external global %struct._IO_FILE* ; <%struct._IO_FILE**> [#uses=1]
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@.str = private constant [11 x i8] c"Output %d\0A\00" ; <[11 x i8]*> [#uses=1]
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define void @single_do_loop_scev_replace() nounwind {
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entry:
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call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 false)
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br label %do.body
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do.body: ; preds = %do.cond, %entry
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%indvar = phi i64 [ %indvar.next, %do.cond ], [ 0, %entry ] ; <i64> [#uses=3]
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%tmp = mul i64 %indvar, 2 ; <i64> [#uses=1]
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%arrayidx = getelementptr [40 x i32]* @A, i64 0, i64 %tmp ; <i32*> [#uses=1]
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%i.0 = trunc i64 %indvar to i32 ; <i32> [#uses=1]
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br label %do.cond
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do.cond: ; preds = %do.body
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volatile store i32 %i.0, i32* %arrayidx
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%indvar.next = add i64 %indvar, 1 ; <i64> [#uses=2]
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%exitcond = icmp ne i64 %indvar.next, 20 ; <i1> [#uses=1]
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br i1 %exitcond, label %do.body, label %do.end
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do.end: ; preds = %do.cond
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call void @llvm.memory.barrier(i1 true, i1 true, i1 true, i1 true, i1 false)
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ret void
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}
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declare void @llvm.memory.barrier(i1, i1, i1, i1, i1) nounwind
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define i32 @main() nounwind {
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entry:
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call void @single_do_loop_scev_replace()
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%tmp = load %struct._IO_FILE** @stdout ; <%struct._IO_FILE*> [#uses=1]
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%tmp1 = volatile load i32* getelementptr inbounds ([40 x i32]* @A, i32 0, i32 0) ; <i32> [#uses=1]
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%call = call i32 (%struct._IO_FILE*, i8*, ...)* @fprintf(%struct._IO_FILE* %tmp, i8* getelementptr inbounds ([11 x i8]* @.str, i32 0, i32 0), i32 %tmp1) ; <i32> [#uses=0]
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%tmp2 = volatile load i32* getelementptr inbounds ([40 x i32]* @A, i32 0, i64 38) ; <i32> [#uses=1]
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%cmp = icmp eq i32 %tmp2, 19 ; <i1> [#uses=1]
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br i1 %cmp, label %if.then, label %if.else
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if.then: ; preds = %entry
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br label %return
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if.else: ; preds = %entry
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br label %return
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return: ; preds = %if.else, %if.then
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%retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.else ] ; <i32> [#uses=1]
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ret i32 %retval.0
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}
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declare i32 @fprintf(%struct._IO_FILE*, i8*, ...)
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; CHECK: for (c2=0;c2<=19;c2++) {
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; CHECK: Stmt_do_cond(c2);
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; CHECK: }
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