132 changes: 73 additions & 59 deletions llvm/test/Transforms/SimplifyCFG/preserve-branchweights.ll
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46 changes: 23 additions & 23 deletions llvm/test/Transforms/SimplifyCFG/wc-widen-block.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -6,14 +6,14 @@ define i32 @basic(i1 %cond_0, i32* %p) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
; CHECK-NEXT: [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[COND_0:%.*]], [[WIDENABLE_COND]]
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof !0
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof [[PROF0:![0-9]+]]
; CHECK: deopt:
; CHECK-NEXT: [[DEOPTRET:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ]
; CHECK-NEXT: ret i32 [[DEOPTRET]]
; CHECK: guarded:
; CHECK-NEXT: [[V:%.*]] = load i32, i32* [[P:%.*]], align 4
; CHECK-NEXT: [[COND_1:%.*]] = icmp eq i32 [[V]], 0
; CHECK-NEXT: br i1 [[COND_1]], label [[RETURN:%.*]], label [[DEOPT]], !prof !0
; CHECK-NEXT: br i1 [[COND_1]], label [[RETURN:%.*]], label [[DEOPT]], !prof [[PROF0]]
; CHECK: return:
; CHECK-NEXT: ret i32 0
;
Expand Down Expand Up @@ -46,8 +46,8 @@ define i32 @mergeable(i1 %cond_0, i1 %cond_1) {
; CHECK-NEXT: [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[COND_0:%.*]], [[WIDENABLE_COND]]
; CHECK-NEXT: [[EXIPLICIT_GUARD_COND_NOT:%.*]] = xor i1 [[EXIPLICIT_GUARD_COND]], true
; CHECK-NEXT: [[COND_1_NOT:%.*]] = xor i1 [[COND_1:%.*]], true
; CHECK-NEXT: [[BRMERGE:%.*]] = or i1 [[EXIPLICIT_GUARD_COND_NOT]], [[COND_1_NOT]]
; CHECK-NEXT: br i1 [[BRMERGE]], label [[DEOPT:%.*]], label [[RETURN:%.*]], !prof !1
; CHECK-NEXT: [[BRMERGE:%.*]] = select i1 [[EXIPLICIT_GUARD_COND_NOT]], i1 true, i1 [[COND_1_NOT]]
; CHECK-NEXT: br i1 [[BRMERGE]], label [[DEOPT:%.*]], label [[RETURN:%.*]], !prof [[PROF1:![0-9]+]]
; CHECK: deopt:
; CHECK-NEXT: [[DEOPTRET:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ]
; CHECK-NEXT: ret i32 [[DEOPTRET]]
Expand Down Expand Up @@ -79,14 +79,14 @@ define i32 @basic_swapped_branch(i1 %cond_0, i32* %p) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
; CHECK-NEXT: [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[COND_0:%.*]], [[WIDENABLE_COND]]
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof !0
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof [[PROF0]]
; CHECK: deopt:
; CHECK-NEXT: [[DEOPTRET:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ]
; CHECK-NEXT: ret i32 [[DEOPTRET]]
; CHECK: guarded:
; CHECK-NEXT: [[V:%.*]] = load i32, i32* [[P:%.*]], align 4
; CHECK-NEXT: [[COND_1:%.*]] = icmp eq i32 [[V]], 0
; CHECK-NEXT: br i1 [[COND_1]], label [[DEOPT]], label [[RETURN:%.*]], !prof !0
; CHECK-NEXT: br i1 [[COND_1]], label [[DEOPT]], label [[RETURN:%.*]], !prof [[PROF0]]
; CHECK: return:
; CHECK-NEXT: ret i32 0
;
Expand Down Expand Up @@ -117,13 +117,13 @@ define i32 @todo_sink_side_effect(i1 %cond_0, i1 %cond_1) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
; CHECK-NEXT: [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[COND_0:%.*]], [[WIDENABLE_COND]]
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof !0
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof [[PROF0]]
; CHECK: deopt:
; CHECK-NEXT: [[DEOPTRET:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ]
; CHECK-NEXT: ret i32 [[DEOPTRET]]
; CHECK: guarded:
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: br i1 [[COND_1:%.*]], label [[RETURN:%.*]], label [[DEOPT2:%.*]], !prof !0
; CHECK-NEXT: br i1 [[COND_1:%.*]], label [[RETURN:%.*]], label [[DEOPT2:%.*]], !prof [[PROF0]]
; CHECK: deopt2:
; CHECK-NEXT: [[DEOPTRET2:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ]
; CHECK-NEXT: ret i32 [[DEOPTRET2]]
Expand Down Expand Up @@ -156,14 +156,14 @@ define i32 @neg_unsinkable_side_effect(i1 %cond_0) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
; CHECK-NEXT: [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[COND_0:%.*]], [[WIDENABLE_COND]]
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof !0
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof [[PROF0]]
; CHECK: deopt:
; CHECK-NEXT: [[DEOPTRET:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ]
; CHECK-NEXT: ret i32 [[DEOPTRET]]
; CHECK: guarded:
; CHECK-NEXT: [[V:%.*]] = call i32 @unknown_i32()
; CHECK-NEXT: [[COND_1:%.*]] = icmp eq i32 [[V]], 0
; CHECK-NEXT: br i1 [[COND_1]], label [[RETURN:%.*]], label [[DEOPT2:%.*]], !prof !0
; CHECK-NEXT: br i1 [[COND_1]], label [[RETURN:%.*]], label [[DEOPT2:%.*]], !prof [[PROF0]]
; CHECK: deopt2:
; CHECK-NEXT: [[DEOPTRET2:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ]
; CHECK-NEXT: ret i32 [[DEOPTRET2]]
Expand Down Expand Up @@ -198,13 +198,13 @@ define i32 @neg_inf_loop(i1 %cond_0, i1 %cond_1) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
; CHECK-NEXT: [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[COND_0:%.*]], [[WIDENABLE_COND]]
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof !0
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof [[PROF0]]
; CHECK: deopt:
; CHECK-NEXT: [[DEOPTRET:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ]
; CHECK-NEXT: ret i32 [[DEOPTRET]]
; CHECK: guarded:
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: br i1 [[COND_1:%.*]], label [[RETURN:%.*]], label [[DEOPT]], !prof !0
; CHECK-NEXT: br i1 [[COND_1:%.*]], label [[RETURN:%.*]], label [[DEOPT]], !prof [[PROF0]]
; CHECK: return:
; CHECK-NEXT: ret i32 0
;
Expand All @@ -231,13 +231,13 @@ define i32 @todo_phi(i1 %cond_0, i1 %cond_1) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
; CHECK-NEXT: [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[COND_0:%.*]], [[WIDENABLE_COND]]
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof !0
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof [[PROF0]]
; CHECK: deopt:
; CHECK-NEXT: [[PHI:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ]
; CHECK-NEXT: [[DEOPTRET:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"(i32 [[PHI]]) ]
; CHECK-NEXT: ret i32 [[DEOPTRET]]
; CHECK: guarded:
; CHECK-NEXT: br i1 [[COND_1:%.*]], label [[RETURN:%.*]], label [[DEOPT2:%.*]], !prof !0
; CHECK-NEXT: br i1 [[COND_1:%.*]], label [[RETURN:%.*]], label [[DEOPT2:%.*]], !prof [[PROF0]]
; CHECK: deopt2:
; CHECK-NEXT: [[DEOPTRET2:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ]
; CHECK-NEXT: ret i32 [[DEOPTRET2]]
Expand Down Expand Up @@ -273,13 +273,13 @@ define i32 @neg_loop(i1 %cond_0, i1 %cond_1) {
; CHECK: loop:
; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
; CHECK-NEXT: [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[COND_0:%.*]], [[WIDENABLE_COND]]
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED]], label [[DEOPT:%.*]], !prof [[PROF0]]
; CHECK: deopt:
; CHECK-NEXT: [[DEOPTRET:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ]
; CHECK-NEXT: ret i32 [[DEOPTRET]]
; CHECK: guarded:
; CHECK-NEXT: call void @unknown()
; CHECK-NEXT: br i1 [[COND_1:%.*]], label [[LOOP:%.*]], label [[DEOPT2:%.*]], !prof !0
; CHECK-NEXT: br i1 [[COND_1:%.*]], label [[LOOP:%.*]], label [[DEOPT2:%.*]], !prof [[PROF0]]
; CHECK: deopt2:
; CHECK-NEXT: [[DEOPTRET2:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ]
; CHECK-NEXT: ret i32 [[DEOPTRET2]]
Expand Down Expand Up @@ -313,20 +313,20 @@ define i32 @neg_correlated(i1 %cond_0, i1 %cond_1, i32* %p) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
; CHECK-NEXT: [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[COND_0:%.*]], [[WIDENABLE_COND]]
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof !0
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof [[PROF0]]
; CHECK: deopt:
; CHECK-NEXT: [[DEOPTRET:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ]
; CHECK-NEXT: ret i32 [[DEOPTRET]]
; CHECK: guarded:
; CHECK-NEXT: [[EXIPLICIT_GUARD_COND2:%.*]] = and i1 [[COND_1:%.*]], [[WIDENABLE_COND]]
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND2]], label [[GUARDED2:%.*]], label [[DEOPT2:%.*]], !prof !0
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND2]], label [[GUARDED2:%.*]], label [[DEOPT2:%.*]], !prof [[PROF0]]
; CHECK: deopt2:
; CHECK-NEXT: [[DEOPTRET2:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ]
; CHECK-NEXT: ret i32 [[DEOPTRET2]]
; CHECK: guarded2:
; CHECK-NEXT: [[V:%.*]] = load i32, i32* [[P:%.*]], align 4
; CHECK-NEXT: [[COND_2:%.*]] = icmp eq i32 [[V]], 0
; CHECK-NEXT: br i1 [[COND_2]], label [[RETURN:%.*]], label [[DEOPT3:%.*]], !prof !0
; CHECK-NEXT: br i1 [[COND_2]], label [[RETURN:%.*]], label [[DEOPT3:%.*]], !prof [[PROF0]]
; CHECK: deopt3:
; CHECK-NEXT: [[DEOPTRET3:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ]
; CHECK-NEXT: ret i32 [[DEOPTRET3]]
Expand Down Expand Up @@ -367,14 +367,14 @@ define i32 @trivial_wb(i1 %cond_0, i32* %p) {
; CHECK-LABEL: @trivial_wb(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
; CHECK-NEXT: br i1 [[WIDENABLE_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof !0
; CHECK-NEXT: br i1 [[WIDENABLE_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof [[PROF0]]
; CHECK: deopt:
; CHECK-NEXT: [[DEOPTRET:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ]
; CHECK-NEXT: ret i32 [[DEOPTRET]]
; CHECK: guarded:
; CHECK-NEXT: [[V:%.*]] = load i32, i32* [[P:%.*]], align 4
; CHECK-NEXT: [[COND_1:%.*]] = icmp eq i32 [[V]], 0
; CHECK-NEXT: br i1 [[COND_1]], label [[RETURN:%.*]], label [[DEOPT]], !prof !0
; CHECK-NEXT: br i1 [[COND_1]], label [[RETURN:%.*]], label [[DEOPT]], !prof [[PROF0]]
; CHECK: return:
; CHECK-NEXT: ret i32 0
;
Expand Down Expand Up @@ -405,14 +405,14 @@ define i32 @swapped_wb(i1 %cond_0, i32* %p) {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
; CHECK-NEXT: [[EXIPLICIT_GUARD_COND:%.*]] = and i1 [[WIDENABLE_COND]], [[COND_0:%.*]]
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof !0
; CHECK-NEXT: br i1 [[EXIPLICIT_GUARD_COND]], label [[GUARDED:%.*]], label [[DEOPT:%.*]], !prof [[PROF0]]
; CHECK: deopt:
; CHECK-NEXT: [[DEOPTRET:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"() ]
; CHECK-NEXT: ret i32 [[DEOPTRET]]
; CHECK: guarded:
; CHECK-NEXT: [[V:%.*]] = load i32, i32* [[P:%.*]], align 4
; CHECK-NEXT: [[COND_1:%.*]] = icmp eq i32 [[V]], 0
; CHECK-NEXT: br i1 [[COND_1]], label [[RETURN:%.*]], label [[DEOPT]], !prof !0
; CHECK-NEXT: br i1 [[COND_1]], label [[RETURN:%.*]], label [[DEOPT]], !prof [[PROF0]]
; CHECK: return:
; CHECK-NEXT: ret i32 0
;
Expand Down