forked from OSchip/llvm-project
83 lines
2.6 KiB
LLVM
83 lines
2.6 KiB
LLVM
; This test checks -print-after/before on loop passes
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; Besides of the loop itself it should be dumping loop pre-header and exits.
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;
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; RUN: opt < %s 2>&1 -disable-output \
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; RUN: -loop-deletion -print-before=loop-deletion \
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; RUN: | FileCheck %s -check-prefix=DEL
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; RUN: opt < %s 2>&1 -disable-output \
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; RUN: -passes='loop(loop-deletion)' -print-before=loop-deletion \
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; RUN: | FileCheck %s -check-prefix=DEL
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; RUN: opt -enable-new-pm=0 < %s 2>&1 -disable-output \
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; RUN: -loop-unroll -print-after=loop-unroll -filter-print-funcs=bar \
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; RUN: | FileCheck %s -check-prefix=BAR -check-prefix=BAR-OLD
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; RUN: opt < %s 2>&1 -disable-output \
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; RUN: -passes='require<opt-remark-emit>,loop(loop-unroll-full)' -print-after=loop-unroll-full -filter-print-funcs=bar \
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; RUN: | FileCheck %s -check-prefix=BAR
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; RUN: opt -enable-new-pm=0 < %s 2>&1 -disable-output \
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; RUN: -loop-unroll -print-after=loop-unroll -filter-print-funcs=foo -print-module-scope \
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; RUN: | FileCheck %s -check-prefix=FOO-MODULE -check-prefix=FOO-MODULE-OLD
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; RUN: opt < %s 2>&1 -disable-output \
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; RUN: -passes='require<opt-remark-emit>,loop(loop-unroll-full)' -print-after=loop-unroll-full -filter-print-funcs=foo -print-module-scope \
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; RUN: | FileCheck %s -check-prefix=FOO-MODULE
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; DEL: IR Dump Before {{Delete dead loops|LoopDeletionPass}}
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; DEL: ; Preheader:
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; DEL-NEXT: %idx = alloca i32, align 4
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; DEL: ; Loop:
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; DEL-NEXT: loop:
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; DEL: cont:
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; DEL: ; Exit blocks
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; DEL: done:
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; DEL: IR Dump Before {{Delete dead loops|LoopDeletionPass}}
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; DEL: ; Preheader:
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; DEL-NEXT: br label %loop
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; DEL: ; Loop:
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; DEL-NEXT: loop:
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; DEL: ; Exit blocks
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; DEL: end:
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; BAR: IR Dump After {{Unroll|LoopFullUnrollPass}}
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; BAR: ; Preheader:
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; BAR-NEXT: br label %loop
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; BAR: ; Loop:
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; BAR-NEXT: loop:
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; BAR: ; Exit blocks
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; BAR: end:
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; BAR-OLD-NOT: IR Dump
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; BAR-OLD-NOT: ; Loop
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; FOO-MODULE: IR Dump After {{Unroll|LoopFullUnrollPass}}
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; FOO-MODULE-SAME: loop: %loop
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; FOO-MODULE-NEXT: ModuleID =
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; FOO-MODULE: define void @foo
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; FOO-MODULE: define void @bar
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; FOO-MODULE-OLD-NOT: IR Dump
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define void @foo(){
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%idx = alloca i32, align 4
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store i32 0, i32* %idx, align 4
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br label %loop
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loop:
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%1 = load i32, i32* %idx, align 4
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%2 = icmp slt i32 %1, 10
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br i1 %2, label %cont, label %done
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cont:
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%3 = load i32, i32* %idx, align 4
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%4 = add nsw i32 %3, 1
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store i32 %4, i32* %idx, align 4
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br label %loop
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done:
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ret void
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}
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define void @bar(){
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br label %loop
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loop:
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br i1 1, label %loop, label %end
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end:
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ret void
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}
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