diff options
Diffstat (limited to 'llvm/test/Transforms/LoopUnroll/full-unroll-keep-first-exit.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopUnroll/full-unroll-keep-first-exit.ll | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/llvm/test/Transforms/LoopUnroll/full-unroll-keep-first-exit.ll b/llvm/test/Transforms/LoopUnroll/full-unroll-keep-first-exit.ll deleted file mode 100644 index 682d1b35c1f..00000000000 --- a/llvm/test/Transforms/LoopUnroll/full-unroll-keep-first-exit.ll +++ /dev/null @@ -1,208 +0,0 @@ -; RUN: opt -S -loop-unroll < %s | FileCheck %s -; RUN: opt -S -passes='require<opt-remark-emit>,loop(unroll-full)' < %s | FileCheck %s - -; Unroll twice, with first loop exit kept -; CHECK-LABEL: @s32_max1 -; CHECK: do.body: -; CHECK: store -; CHECK: br i1 %cmp, label %do.body.1, label %do.end -; CHECK: do.end: -; CHECK: ret void -; CHECK: do.body.1: -; CHECK: store -; CHECK: br label %do.end -define void @s32_max1(i32 %n, i32* %p) { -entry: - %add = add i32 %n, 1 - br label %do.body - -do.body: - %i.0 = phi i32 [ %n, %entry ], [ %inc, %do.body ] - %arrayidx = getelementptr i32, i32* %p, i32 %i.0 - store i32 %i.0, i32* %arrayidx, align 4 - %inc = add i32 %i.0, 1 - %cmp = icmp slt i32 %i.0, %add - br i1 %cmp, label %do.body, label %do.end ; taken either 0 or 1 times - -do.end: - ret void -} - -; Unroll thrice, with first loop exit kept -; CHECK-LABEL: @s32_max2 -; CHECK: do.body: -; CHECK: store -; CHECK: br i1 %cmp, label %do.body.1, label %do.end -; CHECK: do.end: -; CHECK: ret void -; CHECK: do.body.1: -; CHECK: store -; CHECK: store -; CHECK: br label %do.end -define void @s32_max2(i32 %n, i32* %p) { -entry: - %add = add i32 %n, 2 - br label %do.body - -do.body: - %i.0 = phi i32 [ %n, %entry ], [ %inc, %do.body ] - %arrayidx = getelementptr i32, i32* %p, i32 %i.0 - store i32 %i.0, i32* %arrayidx, align 4 - %inc = add i32 %i.0, 1 - %cmp = icmp slt i32 %i.0, %add - br i1 %cmp, label %do.body, label %do.end ; taken either 0 or 2 times - -do.end: - ret void -} - -; Should not be unrolled -; CHECK-LABEL: @s32_maxx -; CHECK: do.body: -; CHECK: do.end: -; CHECK-NOT: do.body.1: -define void @s32_maxx(i32 %n, i32 %x, i32* %p) { -entry: - %add = add i32 %x, %n - br label %do.body - -do.body: - %i.0 = phi i32 [ %n, %entry ], [ %inc, %do.body ] - %arrayidx = getelementptr i32, i32* %p, i32 %i.0 - store i32 %i.0, i32* %arrayidx, align 4 - %inc = add i32 %i.0, 1 - %cmp = icmp slt i32 %i.0, %add - br i1 %cmp, label %do.body, label %do.end ; taken either 0 or x times - -do.end: - ret void -} - -; Should not be unrolled -; CHECK-LABEL: @s32_max2_unpredictable_exit -; CHECK: do.body: -; CHECK: do.end: -; CHECK-NOT: do.body.1: -define void @s32_max2_unpredictable_exit(i32 %n, i32 %x, i32* %p) { -entry: - %add = add i32 %n, 2 - br label %do.body - -do.body: - %i.0 = phi i32 [ %n, %entry ], [ %inc, %if.end ] - %cmp = icmp eq i32 %i.0, %x - br i1 %cmp, label %do.end, label %if.end ; unpredictable - -if.end: - %arrayidx = getelementptr i32, i32* %p, i32 %i.0 - store i32 %i.0, i32* %arrayidx, align 4 - %inc = add i32 %i.0, 1 - %cmp1 = icmp slt i32 %i.0, %add - br i1 %cmp1, label %do.body, label %do.end ; taken either 0 or 2 times - -do.end: - ret void -} - -; Unroll twice, with first loop exit kept -; CHECK-LABEL: @u32_max1 -; CHECK: do.body: -; CHECK: store -; CHECK: br i1 %cmp, label %do.body.1, label %do.end -; CHECK: do.end: -; CHECK: ret void -; CHECK: do.body.1: -; CHECK: store -; CHECK: br label %do.end -define void @u32_max1(i32 %n, i32* %p) { -entry: - %add = add i32 %n, 1 - br label %do.body - -do.body: - %i.0 = phi i32 [ %n, %entry ], [ %inc, %do.body ] - %arrayidx = getelementptr i32, i32* %p, i32 %i.0 - store i32 %i.0, i32* %arrayidx, align 4 - %inc = add i32 %i.0, 1 - %cmp = icmp ult i32 %i.0, %add - br i1 %cmp, label %do.body, label %do.end ; taken either 0 or 1 times - -do.end: - ret void -} - -; Unroll thrice, with first loop exit kept -; CHECK-LABEL: @u32_max2 -; CHECK: do.body: -; CHECK: store -; CHECK: br i1 %cmp, label %do.body.1, label %do.end -; CHECK: do.end: -; CHECK: ret void -; CHECK: do.body.1: -; CHECK: store -; CHECK: store -; CHECK: br label %do.end -define void @u32_max2(i32 %n, i32* %p) { -entry: - %add = add i32 %n, 2 - br label %do.body - -do.body: - %i.0 = phi i32 [ %n, %entry ], [ %inc, %do.body ] - %arrayidx = getelementptr i32, i32* %p, i32 %i.0 - store i32 %i.0, i32* %arrayidx, align 4 - %inc = add i32 %i.0, 1 - %cmp = icmp ult i32 %i.0, %add - br i1 %cmp, label %do.body, label %do.end ; taken either 0 or 2 times - -do.end: - ret void -} - -; Should not be unrolled -; CHECK-LABEL: @u32_maxx -; CHECK: do.body: -; CHECK: do.end: -; CHECK-NOT: do.body.1: -define void @u32_maxx(i32 %n, i32 %x, i32* %p) { -entry: - %add = add i32 %x, %n - br label %do.body - -do.body: - %i.0 = phi i32 [ %n, %entry ], [ %inc, %do.body ] - %arrayidx = getelementptr i32, i32* %p, i32 %i.0 - store i32 %i.0, i32* %arrayidx, align 4 - %inc = add i32 %i.0, 1 - %cmp = icmp ult i32 %i.0, %add - br i1 %cmp, label %do.body, label %do.end ; taken either 0 or x times - -do.end: - ret void -} - -; Should not be unrolled -; CHECK-LABEL: @u32_max2_unpredictable_exit -; CHECK: do.body: -; CHECK: do.end: -; CHECK-NOT: do.body.1: -define void @u32_max2_unpredictable_exit(i32 %n, i32 %x, i32* %p) { -entry: - %add = add i32 %n, 2 - br label %do.body - -do.body: - %i.0 = phi i32 [ %n, %entry ], [ %inc, %if.end ] - %cmp = icmp eq i32 %i.0, %x - br i1 %cmp, label %do.end, label %if.end ; unpredictable - -if.end: - %arrayidx = getelementptr i32, i32* %p, i32 %i.0 - store i32 %i.0, i32* %arrayidx, align 4 - %inc = add i32 %i.0, 1 - %cmp1 = icmp ult i32 %i.0, %add - br i1 %cmp1, label %do.body, label %do.end ; taken either 0 or 2 times - -do.end: - ret void -} |
