diff options
Diffstat (limited to 'test/Transforms/LoopUnswitch/Stats/2011-11-18-TwoSwitches.ll')
| -rw-r--r-- | test/Transforms/LoopUnswitch/Stats/2011-11-18-TwoSwitches.ll | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/test/Transforms/LoopUnswitch/Stats/2011-11-18-TwoSwitches.ll b/test/Transforms/LoopUnswitch/Stats/2011-11-18-TwoSwitches.ll deleted file mode 100644 index 95303337da..0000000000 --- a/test/Transforms/LoopUnswitch/Stats/2011-11-18-TwoSwitches.ll +++ /dev/null @@ -1,141 +0,0 @@ -; RUN: opt -loop-unswitch -loop-unswitch-threshold 1000 -disable-output -stats -info-output-file - < %s | FileCheck --check-prefix=STATS %s -; RUN: opt -S -loop-unswitch -loop-unswitch-threshold 1000 -verify-loop-info -verify-dom-info < %s | FileCheck %s - -; STATS: 1 loop-simplify - Number of pre-header or exit blocks inserted -; STATS: 3 loop-unswitch - Number of switches unswitched - -; CHECK: %1 = icmp eq i32 %c, 1 -; CHECK-NEXT: br i1 %1, label %.split.us, label %..split_crit_edge - -; CHECK: ..split_crit_edge: ; preds = %0 -; CHECK-NEXT: br label %.split - -; CHECK: .split.us: ; preds = %0 -; CHECK-NEXT: %2 = icmp eq i32 %d, 1 -; CHECK-NEXT: br i1 %2, label %.split.us.split.us, label %.split.us..split.us.split_crit_edge - -; CHECK: .split.us..split.us.split_crit_edge: ; preds = %.split.us -; CHECK-NEXT: br label %.split.us.split - -; CHECK: .split.us.split.us: ; preds = %.split.us -; CHECK-NEXT: br label %loop_begin.us.us - -; CHECK: loop_begin.us.us: ; preds = %loop_begin.backedge.us.us, %.split.us.split.us -; CHECK-NEXT: %var_val.us.us = load i32* %var -; CHECK-NEXT: switch i32 1, label %second_switch.us.us [ -; CHECK-NEXT: i32 1, label %inc.us.us - -; CHECK: second_switch.us.us: ; preds = %loop_begin.us.us -; CHECK-NEXT: switch i32 1, label %default.us.us [ -; CHECK-NEXT: i32 1, label %inc.us.us - -; CHECK: inc.us.us: ; preds = %second_switch.us.us, %loop_begin.us.us -; CHECK-NEXT: call void @incf() [[NOR_NUW:#[0-9]+]] -; CHECK-NEXT: br label %loop_begin.backedge.us.us - -; CHECK: .split.us.split: ; preds = %.split.us..split.us.split_crit_edge -; CHECK-NEXT: br label %loop_begin.us - -; CHECK: loop_begin.us: ; preds = %loop_begin.backedge.us, %.split.us.split -; CHECK-NEXT: %var_val.us = load i32* %var -; CHECK-NEXT: switch i32 1, label %second_switch.us [ -; CHECK-NEXT: i32 1, label %inc.us - -; CHECK: second_switch.us: ; preds = %loop_begin.us -; CHECK-NEXT: switch i32 %d, label %default.us [ -; CHECK-NEXT: i32 1, label %second_switch.us.inc.us_crit_edge -; CHECK-NEXT: ] - -; CHECK: second_switch.us.inc.us_crit_edge: ; preds = %second_switch.us -; CHECK-NEXT: br i1 true, label %us-unreachable8, label %inc.us - -; CHECK: inc.us: ; preds = %second_switch.us.inc.us_crit_edge, %loop_begin.us -; CHECK-NEXT: call void @incf() [[NOR_NUW]] -; CHECK-NEXT: br label %loop_begin.backedge.us - -; CHECK: .split: ; preds = %..split_crit_edge -; CHECK-NEXT: %3 = icmp eq i32 %d, 1 -; CHECK-NEXT: br i1 %3, label %.split.split.us, label %.split..split.split_crit_edge - -; CHECK: .split..split.split_crit_edge: ; preds = %.split -; CHECK-NEXT: br label %.split.split - -; CHECK: .split.split.us: ; preds = %.split -; CHECK-NEXT: br label %loop_begin.us1 - -; CHECK: loop_begin.us1: ; preds = %loop_begin.backedge.us6, %.split.split.us -; CHECK-NEXT: %var_val.us2 = load i32* %var -; CHECK-NEXT: switch i32 %c, label %second_switch.us3 [ -; CHECK-NEXT: i32 1, label %loop_begin.inc_crit_edge.us -; CHECK-NEXT: ] - -; CHECK: second_switch.us3: ; preds = %loop_begin.us1 -; CHECK-NEXT: switch i32 1, label %default.us5 [ -; CHECK-NEXT: i32 1, label %inc.us4 -; CHECK-NEXT: ] - -; CHECK: inc.us4: ; preds = %loop_begin.inc_crit_edge.us, %second_switch.us3 -; CHECK-NEXT: call void @incf() [[NOR_NUW]] -; CHECK-NEXT: br label %loop_begin.backedge.us6 - -; CHECK: loop_begin.inc_crit_edge.us: ; preds = %loop_begin.us1 -; CHECK-NEXT: br i1 true, label %us-unreachable.us-lcssa.us, label %inc.us4 - -; CHECK: .split.split: ; preds = %.split..split.split_crit_edge -; CHECK-NEXT: br label %loop_begin - -; CHECK: loop_begin: ; preds = %loop_begin.backedge, %.split.split -; CHECK-NEXT: %var_val = load i32* %var -; CHECK-NEXT: switch i32 %c, label %second_switch [ -; CHECK-NEXT: i32 1, label %loop_begin.inc_crit_edge -; CHECK-NEXT: ] - -; CHECK: loop_begin.inc_crit_edge: ; preds = %loop_begin -; CHECK-NEXT: br i1 true, label %us-unreachable.us-lcssa, label %inc - -; CHECK: second_switch: ; preds = %loop_begin -; CHECK-NEXT: switch i32 %d, label %default [ -; CHECK-NEXT: i32 1, label %second_switch.inc_crit_edge -; CHECK-NEXT: ] - -; CHECK: second_switch.inc_crit_edge: ; preds = %second_switch -; CHECK-NEXT: br i1 true, label %us-unreachable7, label %inc - - -define i32 @test(i32* %var) { - %mem = alloca i32 - store i32 2, i32* %mem - %c = load i32* %mem - %d = load i32* %mem - - br label %loop_begin - -loop_begin: - - %var_val = load i32* %var - - switch i32 %c, label %second_switch [ - i32 1, label %inc - ] - -second_switch: - switch i32 %d, label %default [ - i32 1, label %inc - ] - -inc: - call void @incf() noreturn nounwind - br label %loop_begin - -default: - br label %loop_begin - -loop_exit: - ret i32 0 -} - -declare void @incf() noreturn -declare void @decf() noreturn - -; CHECK: attributes #0 = { noreturn } -; CHECK: attributes [[NOR_NUW]] = { noreturn nounwind } |