78 lines
2.2 KiB
LLVM
78 lines
2.2 KiB
LLVM
; RUN: opt %loadPolly -polly-reschedule=0 -polly-loopfusion-greedy=1 -polly-postopts=0 -polly-print-opt-isl -disable-output < %s | FileCheck %s
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; RUN: opt %loadPolly -polly-reschedule=1 -polly-loopfusion-greedy=1 -polly-postopts=0 -polly-print-opt-isl -disable-output < %s | FileCheck %s
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define void @func(i32 %n, ptr noalias nonnull %A, ptr noalias nonnull %B) {
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entry:
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br label %outer.for1
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outer.for1:
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%k1 = phi i32 [0, %entry], [%k1.inc, %outer.inc1]
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%k1.cmp = icmp slt i32 %k1, %n
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br i1 %k1.cmp, label %for1, label %outer.exit1
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for1:
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%j1 = phi i32 [0, %outer.for1], [%j1.inc, %inc1]
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%j1.cmp = icmp slt i32 %j1, %n
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br i1 %j1.cmp, label %body1, label %exit1
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body1:
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%arrayidx1 = getelementptr inbounds [1024 x double], ptr %A, i32 %k1, i32 %j1
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store double 21.0, ptr %arrayidx1
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br label %inc1
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inc1:
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%j1.inc = add nuw nsw i32 %j1, 1
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br label %for1
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exit1:
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br label %outer.inc1
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outer.inc1:
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%k1.inc = add nuw nsw i32 %k1, 1
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br label %outer.for1
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outer.exit1:
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br label %outer.for2
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outer.for2:
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%k2 = phi i32 [0, %outer.exit1], [%k2.inc, %outer.inc2]
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%k2.cmp = icmp slt i32 %k2, %n
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br i1 %k2.cmp, label %for2, label %outer.exit2
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for2:
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%j2 = phi i32 [0, %outer.for2], [%j2.inc, %inc2]
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%j2.cmp = icmp slt i32 %j2, %n
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br i1 %j2.cmp, label %body2, label %exit2
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body2:
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%arrayidx2 = getelementptr inbounds [1024 x double], ptr %A, i32 %k2, i32 %j2
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store double 42.0, ptr %arrayidx2
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br label %inc2
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inc2:
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%j2.inc = add nuw nsw i32 %j2, 1
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br label %for2
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exit2:
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br label %outer.inc2
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outer.inc2:
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%k2.inc = add nuw nsw i32 %k2, 1
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br label %outer.for2
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outer.exit2:
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br label %return
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return:
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ret void
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}
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; CHECK: Calculated schedule:
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; CHECK-NEXT: domain: "[n] -> { Stmt_body2[i0, i1] : 0 <= i0 < n and 0 <= i1 < n; Stmt_body1[i0, i1] : 0 <= i0 < n and 0 <= i1 < n }"
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; CHECK-NEXT: child:
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; CHECK-NEXT: schedule: "[n] -> [{ Stmt_body2[i0, i1] -> [(i0)]; Stmt_body1[i0, i1] -> [(i0)] }, { Stmt_body2[i0, i1] -> [(i1)]; Stmt_body1[i0, i1] -> [(i1)] }]"
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; CHECK-NEXT: child:
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; CHECK-NEXT: sequence:
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; CHECK-NEXT: - filter: "[n] -> { Stmt_body1[i0, i1] }"
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; CHECK-NEXT: - filter: "[n] -> { Stmt_body2[i0, i1] }"
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