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5ca2dc481a
Add an ability to specify the max full unroll count for LoopUnrollPass pass in pass options. Reviewers: fhahn, fedor.sergeev Reviewed By: fedor.sergeev Subscribers: hiraditya, zzheng, dmgreen, llvm-commits Differential Revision: https://reviews.llvm.org/D67701 llvm-svn: 372305
36 lines
1.4 KiB
LLVM
36 lines
1.4 KiB
LLVM
; Default behavior
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; RUN: opt < %s -passes='unroll' -S | FileCheck %s -check-prefixes=ENABLE,COMMON
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; Pass option
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; RUN: opt < %s -passes='unroll<full-unroll-max=0>' -S | FileCheck %s -check-prefixes=DISABLE,COMMON
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; RUN: opt < %s -passes='unroll<full-unroll-max=30>' -S | FileCheck %s -check-prefixes=DISABLE,COMMON
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; RUN: opt < %s -passes='unroll<full-unroll-max=36>' -S | FileCheck %s -check-prefixes=ENABLE,COMMON
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; cl::opt option
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; RUN: opt < %s -passes='unroll' -unroll-full-max-count=0 -S | FileCheck %s -check-prefixes=DISABLE,COMMON
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; RUN: opt < %s -passes='unroll' -unroll-full-max-count=30 -S | FileCheck %s -check-prefixes=DISABLE,COMMON
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; RUN: opt < %s -passes='unroll' -unroll-full-max-count=36 -S | FileCheck %s -check-prefixes=ENABLE,COMMON
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; Pass option has a priority over cl::opt
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; RUN: opt < %s -passes='unroll<full-unroll-max=30>' -unroll-full-max-count=36 -S | FileCheck %s -check-prefixes=DISABLE,COMMON
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; RUN: opt < %s -passes='unroll<full-unroll-max=36>' -unroll-full-max-count=30 -S | FileCheck %s -check-prefixes=ENABLE,COMMON
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define void @test() {
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; COMMON-LABEL: @test(
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entry:
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br label %loop
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loop:
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%idx = phi i32 [ 0, %entry ], [ %idx.inc, %loop ]
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%idx.inc = add i32 %idx, 1
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%be = icmp slt i32 %idx, 32
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br i1 %be, label %loop, label %exit
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; COMMON: loop:
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; DISABLE: %be = icmp slt i32 %idx, 32
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; ENABLE-NOT: %be = icmp slt i32 %idx, 32
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exit:
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ret void
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}
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