10003e31f4
With fixes from rL324341. Original commit message: [MergeICmps] Enable the MergeICmps Pass by default. Summary: Now that PR33325 is fixed, this should always improve the generated code. Reviewers: spatel Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D42793 llvm-svn: 324465
39 lines
2.3 KiB
LLVM
39 lines
2.3 KiB
LLVM
; Note: -verify-machineinstrs is used in order to make this test compatible with EXPENSIVE_CHECKS.
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; RUN: llc < %s -debug-pass=Structure -stop-after=loop-reduce -verify-machineinstrs -o /dev/null 2>&1 \
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; RUN: | FileCheck %s -check-prefix=STOP-AFTER
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; STOP-AFTER: -loop-reduce
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; STOP-AFTER: Dominator Tree Construction
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; STOP-AFTER: Loop Strength Reduction
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; STOP-AFTER-NEXT: Verify generated machine code
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; STOP-AFTER-NEXT: MIR Printing Pass
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; RUN: llc < %s -debug-pass=Structure -stop-before=loop-reduce -o /dev/null 2>&1 | FileCheck %s -check-prefix=STOP-BEFORE
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; STOP-BEFORE-NOT: -loop-reduce
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; STOP-BEFORE: Dominator Tree Construction
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; STOP-BEFORE-NOT: Loop Strength Reduction
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; RUN: llc < %s -debug-pass=Structure -start-after=loop-reduce -o /dev/null 2>&1 | FileCheck %s -check-prefix=START-AFTER
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; START-AFTER: -machine-branch-prob -mergeicmps
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; START-AFTER: FunctionPass Manager
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; START-AFTER-NEXT: Merge contiguous icmps into a memcmp
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; RUN: llc < %s -debug-pass=Structure -start-before=loop-reduce -o /dev/null 2>&1 | FileCheck %s -check-prefix=START-BEFORE
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; START-BEFORE: -machine-branch-prob -domtree
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; START-BEFORE: FunctionPass Manager
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; START-BEFORE: Loop Strength Reduction
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; START-BEFORE-NEXT: Merge contiguous icmps into a memcmp
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; RUN: not llc < %s -start-before=nonexistent -o /dev/null 2>&1 | FileCheck %s -check-prefix=NONEXISTENT-START-BEFORE
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; RUN: not llc < %s -stop-before=nonexistent -o /dev/null 2>&1 | FileCheck %s -check-prefix=NONEXISTENT-STOP-BEFORE
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; RUN: not llc < %s -start-after=nonexistent -o /dev/null 2>&1 | FileCheck %s -check-prefix=NONEXISTENT-START-AFTER
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; RUN: not llc < %s -stop-after=nonexistent -o /dev/null 2>&1 | FileCheck %s -check-prefix=NONEXISTENT-STOP-AFTER
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; NONEXISTENT-START-BEFORE: "nonexistent" pass is not registered.
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; NONEXISTENT-STOP-BEFORE: "nonexistent" pass is not registered.
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; NONEXISTENT-START-AFTER: "nonexistent" pass is not registered.
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; NONEXISTENT-STOP-AFTER: "nonexistent" pass is not registered.
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; RUN: not llc < %s -start-before=loop-reduce -start-after=loop-reduce -o /dev/null 2>&1 | FileCheck %s -check-prefix=DOUBLE-START
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; RUN: not llc < %s -stop-before=loop-reduce -stop-after=loop-reduce -o /dev/null 2>&1 | FileCheck %s -check-prefix=DOUBLE-STOP
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; DOUBLE-START: start-before and start-after specified!
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; DOUBLE-STOP: stop-before and stop-after specified!
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