forked from OSchip/llvm-project
66 lines
3.1 KiB
LLVM
66 lines
3.1 KiB
LLVM
; RUN: opt %loadPolly %defaultOpts -polly-detect -analyze %s | FileCheck %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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@alpha = common global double 0.000000e+00
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@beta = common global double 0.000000e+00
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@x = common global [4000 x double] zeroinitializer, align 32
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@A = common global [4000 x [4000 x double]] zeroinitializer, align 32
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@y = common global [4000 x double] zeroinitializer, align 32
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@stderr = external global %struct._IO_FILE*
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@.str = private constant [8 x i8] c"%0.2lf \00", align 1
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@tmp = common global [4000 x double] zeroinitializer, align 32
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@B = common global [4000 x [4000 x double]] zeroinitializer, align 32
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define void @scop_func() nounwind {
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bb.nph10.split.us:
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%0 = load double* @alpha, align 8
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%1 = load double* @beta, align 8
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br label %bb.nph.us
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bb3.us: ; preds = %bb1.us
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%.lcssa1 = phi double [ %12, %bb1.us ]
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%.lcssa = phi double [ %9, %bb1.us ]
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store double %.lcssa, double* %scevgep17
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%2 = fmul double %.lcssa, %0
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%3 = fmul double %.lcssa1, %1
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%4 = fadd double %2, %3
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store double %4, double* %scevgep18, align 8
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%5 = add nsw i64 %storemerge6.us, 1
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%exitcond = icmp eq i64 %5, 4000
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br i1 %exitcond, label %return, label %bb.nph.us
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bb1.us: ; preds = %bb.nph.us, %bb1.us
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%.tmp3.0.us = phi double [ 0.000000e+00, %bb.nph.us ], [ %12, %bb1.us ]
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%.tmp.0.us = phi double [ 0.000000e+00, %bb.nph.us ], [ %9, %bb1.us ]
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%storemerge12.us = phi i64 [ 0, %bb.nph.us ], [ %13, %bb1.us ]
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%scevgep13 = getelementptr [4000 x [4000 x double]]* @A, i64 0, i64 %storemerge6.us, i64 %storemerge12.us
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%scevgep = getelementptr [4000 x [4000 x double]]* @B, i64 0, i64 %storemerge6.us, i64 %storemerge12.us
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%scevgep12 = getelementptr [4000 x double]* @x, i64 0, i64 %storemerge12.us
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%6 = load double* %scevgep13, align 8
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%7 = load double* %scevgep12, align 8
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%8 = fmul double %6, %7
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%9 = fadd double %8, %.tmp.0.us
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%10 = load double* %scevgep, align 8
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%11 = fmul double %10, %7
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%12 = fadd double %11, %.tmp3.0.us
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%13 = add nsw i64 %storemerge12.us, 1
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%exitcond2 = icmp eq i64 %13, 4000
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br i1 %exitcond2, label %bb3.us, label %bb1.us
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bb.nph.us: ; preds = %bb3.us, %bb.nph10.split.us
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%storemerge6.us = phi i64 [ 0, %bb.nph10.split.us ], [ %5, %bb3.us ]
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%scevgep18 = getelementptr [4000 x double]* @y, i64 0, i64 %storemerge6.us
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%scevgep17 = getelementptr [4000 x double]* @tmp, i64 0, i64 %storemerge6.us
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store double 0.000000e+00, double* %scevgep17, align 8
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store double 0.000000e+00, double* %scevgep18, align 8
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br label %bb1.us
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return: ; preds = %bb3.us
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ret void
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}
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; CHECK: Valid Region for Scop: bb.nph.us => return
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