diff options
Diffstat (limited to 'llvm/test/Transforms')
4 files changed, 28 insertions, 18 deletions
diff --git a/llvm/test/Transforms/LoopUnroll/AArch64/runtime-loop.ll b/llvm/test/Transforms/LoopUnroll/AArch64/runtime-loop.ll index 98c9819a63d..ebb9444d07a 100644 --- a/llvm/test/Transforms/LoopUnroll/AArch64/runtime-loop.ll +++ b/llvm/test/Transforms/LoopUnroll/AArch64/runtime-loop.ll @@ -4,16 +4,14 @@ ; Tests for unrolling loops with run-time trip counts ; EPILOG: %xtraiter = and i32 %n -; EPILOG: %lcmp.mod = icmp ne i32 %xtraiter, %n -; EPILOG: br i1 %lcmp.mod, label %for.body.preheader.new, label %for.end.loopexit.unr-lcssa +; EPILOG: for.body: +; EPILOG: %lcmp.mod = icmp ne i32 %xtraiter, 0 +; EPILOG: br i1 %lcmp.mod, label %for.body.epil.preheader, label %for.end.loopexit +; EPILOG: for.body.epil: ; PROLOG: %xtraiter = and i32 %n ; PROLOG: %lcmp.mod = icmp ne i32 %xtraiter, 0 ; PROLOG: br i1 %lcmp.mod, label %for.body.prol.preheader, label %for.body.prol.loopexit - -; EPILOG: for.body: -; EPILOG: for.body.epil: - ; PROLOG: for.body.prol: ; PROLOG: for.body: diff --git a/llvm/test/Transforms/LoopUnroll/runtime-loop.ll b/llvm/test/Transforms/LoopUnroll/runtime-loop.ll index efa242762f2..2fc4dbd26c7 100644 --- a/llvm/test/Transforms/LoopUnroll/runtime-loop.ll +++ b/llvm/test/Transforms/LoopUnroll/runtime-loop.ll @@ -6,8 +6,8 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3 ; Tests for unrolling loops with run-time trip counts ; EPILOG: %xtraiter = and i32 %n -; EPILOG: %lcmp.mod = icmp ne i32 %xtraiter, %n -; EPILOG: br i1 %lcmp.mod, label %for.body.preheader.new, label %for.end.loopexit.unr-lcssa +; EPILOG: %lcmp.mod = icmp ne i32 %xtraiter, 0 +; EPILOG: br i1 %lcmp.mod, label %for.body.epil.preheader, label %for.end.loopexit ; PROLOG: %xtraiter = and i32 %n ; PROLOG: %lcmp.mod = icmp ne i32 %xtraiter, 0 diff --git a/llvm/test/Transforms/LoopUnroll/runtime-loop1.ll b/llvm/test/Transforms/LoopUnroll/runtime-loop1.ll index 2e962b5cd38..a2e2f8811d6 100644 --- a/llvm/test/Transforms/LoopUnroll/runtime-loop1.ll +++ b/llvm/test/Transforms/LoopUnroll/runtime-loop1.ll @@ -5,7 +5,7 @@ ; EPILOG: for.body.preheader: -; EPILOG: br i1 %lcmp.mod, label %for.body.preheader.new, label %for.end.loopexit.unr-lcssa, !dbg [[PH_LOC:![0-9]+]] +; EPILOG: br i1 %1, label %for.end.loopexit.unr-lcssa, label %for.body.preheader.new, !dbg [[PH_LOC:![0-9]+]] ; EPILOG: for.body: ; EPILOG: br i1 %niter.ncmp.1, label %for.end.loopexit.unr-lcssa.loopexit, label %for.body, !dbg [[BODY_LOC:![0-9]+]] ; EPILOG-NOT: br i1 %niter.ncmp.2, label %for.end.loopexit{{.*}}, label %for.body diff --git a/llvm/test/Transforms/LoopUnroll/tripcount-overflow.ll b/llvm/test/Transforms/LoopUnroll/tripcount-overflow.ll index 5c250933af5..7156629af6d 100644 --- a/llvm/test/Transforms/LoopUnroll/tripcount-overflow.ll +++ b/llvm/test/Transforms/LoopUnroll/tripcount-overflow.ll @@ -1,4 +1,5 @@ -; RUN: opt < %s -S -unroll-runtime -unroll-count=2 -loop-unroll | FileCheck %s +; RUN: opt < %s -S -unroll-runtime -unroll-count=2 -loop-unroll | FileCheck %s -check-prefix=EPILOG +; RUN: opt < %s -S -unroll-runtime -unroll-count=2 -loop-unroll -unroll-runtime-epilog=false | FileCheck %s -check-prefix=PROLOG target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" ; This test case documents how runtime loop unrolling handles the case @@ -9,17 +10,28 @@ target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" ; is divisible by 2. The prologue then branches to the unrolled loop ; and executes the 2^32 iterations there, in groups of 2. +; EPILOG: entry: -; CHECK: entry: -; CHECK-NEXT: %0 = add i32 %N, 1 -; CHECK-NEXT: %xtraiter = and i32 %0, 1 -; CHECK-NEXT: %lcmp.mod = icmp ne i32 %xtraiter, %0 -; CHECK-NEXT: br i1 %lcmp.mod, label %entry.new, label %while.end.unr-lcssa +; EPILOG-NEXT: %0 = add i32 %N, 1 +; EPILOG-NEXT: %xtraiter = and i32 %0, 1 +; EPILOG-NEXT: %1 = icmp ult i32 %N, 1 +; EPILOG-NEXT: br i1 %1, label %while.end.unr-lcssa, label %entry.new +; EPILOG: while.body: -; CHECK: while.body.epil: -; CHECK: br label %while.end.epilog-lcssa +; EPILOG: %lcmp.mod = icmp ne i32 %xtraiter, 0 +; EPILOG-NEXT: br i1 %lcmp.mod, label %while.body.epil.preheader, label %while.end +; EPILOG: while.body.epil: -; CHECK: while.end.epilog-lcssa: +; PROLOG: entry: +; PROLOG-NEXT: %0 = add i32 %N, 1 +; PROLOG-NEXT: %xtraiter = and i32 %0, 1 +; PROLOG-NEXT: %lcmp.mod = icmp ne i32 %xtraiter, 0 +; PROLOG-NEXT: br i1 %lcmp.mod, label %while.body.prol.preheader, label %while.body.prol.loopexit +; PROLOG: while.body.prol: + +; PROLOG: %1 = icmp ult i32 %N, 1 +; PROLOG-NEXT: br i1 %1, label %while.end, label %entry.new +; PROLOG: while.body: ; Function Attrs: nounwind readnone ssp uwtable define i32 @foo(i32 %N) { |
