6e6264c142
This will make it easier to switch the default of Polly's invariant load hoisting strategy and also makes it very clear that these test cases indeed require invariant code hoisting to work. llvm-svn: 278667
71 lines
2.4 KiB
LLVM
71 lines
2.4 KiB
LLVM
; RUN: opt %loadPolly -S -polly-codegen -polly-invariant-load-hoisting=true < %s | FileCheck %s
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;
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; Extracted from h246 in SPEC 2006.
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;
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; TODO: We check that we do compile this benchmark in reasonable time.
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; To do so we currently bail out due to the complex access range
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; (multiple modulos) of the invariant load.
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;
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; FIXME: We should not bail with a false RTC here.
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;
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; CHECK-LABEL: polly.preload.begin:
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; CHECK-NOT: br i1
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; CHECK-NOT: br label
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; CHECK: br i1 false, label %polly.start, label %entry.split
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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%struct.IP = type { i32****, i32***, %struct.P, %struct.S, %struct.m }
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%struct.P = type { i32 }
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%struct.S = type { i32 }
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%struct.D = type { i32 }
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%struct.B = type { i32 }
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%struct.E = type { i32 }
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%struct.s = type { i32 }
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%struct.M = type { i32 }
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%struct.C = type { i32 }
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%struct.T = type { i32 }
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%struct.R = type { i32 }
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%struct.m = type { i32 }
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%struct.d = type { i32 }
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@img = external global %struct.IP*, align 8
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; Function Attrs: nounwind uwtable
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define void @dct_luma(i32 %block_x, i32 %block_y) #0 {
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entry:
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br label %entry.split
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entry.split: ; preds = %entry
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%div = sdiv i32 %block_x, 4
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%div1 = sdiv i32 %block_y, 4
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%rem = srem i32 %div1, 2
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%mul4 = shl nsw i32 %rem, 1
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%rem5 = srem i32 %div, 2
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%add6 = add nsw i32 %mul4, %rem5
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%idxprom = sext i32 %add6 to i64
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%0 = load %struct.IP*, %struct.IP** @img, align 8
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%cofAC = getelementptr inbounds %struct.IP, %struct.IP* %0, i32 0, i32 0
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%1 = load i32****, i32***** %cofAC, align 8
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%arrayidx = getelementptr inbounds i32***, i32**** %1, i64 0
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%2 = load i32***, i32**** %arrayidx, align 8
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%arrayidx8 = getelementptr inbounds i32**, i32*** %2, i64 %idxprom
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%3 = load i32**, i32*** %arrayidx8, align 8
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%mb_data = getelementptr inbounds %struct.IP, %struct.IP* %0, i64 0, i32 4
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%4 = load %struct.m, %struct.m* %mb_data, align 8
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br i1 false, label %land.rhs, label %land.end
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land.rhs: ; preds = %entry.split
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br label %land.end
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land.end: ; preds = %land.rhs, %entry.split
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%5 = phi i1 [ false, %entry.split ], [ undef, %land.rhs ]
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br i1 %5, label %for.cond104.preheader, label %for.cond34.preheader
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for.cond34.preheader: ; preds = %land.end
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unreachable
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for.cond104.preheader: ; preds = %land.end
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unreachable
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}
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