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test/Transforms/PGOProfile/landingpad.ll
- This file was added.
| ; RUN: opt < %s -pgo-instr-gen -S | FileCheck %s --check-prefix=GEN | |||||
| ; RUN: llvm-profdata merge %S/Inputs/landingpad.proftext -o %T/landingpad.profdata | |||||
| ; RUN: opt < %s -pgo-instr-use -pgo-test-profile-file=%T/landingpad.profdata -S | FileCheck %s --check-prefix=USE | |||||
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" | |||||
| target triple = "x86_64-unknown-linux-gnu" | |||||
| @val = global i32 0, align 4 | |||||
| @_ZTIi = external constant i8* | |||||
| ; GEN: @__llvm_profile_name_bar = private constant [3 x i8] c"bar" | |||||
| ; GEN: @__llvm_profile_name_foo = private constant [3 x i8] c"foo" | |||||
| define i32 @bar(i32 %i) { | |||||
| entry: | |||||
| ; GEN: entry: | |||||
| ; GEN-NOT: call void @llvm.instrprof.increment | |||||
| %rem = srem i32 %i, 3 | |||||
| %tobool = icmp ne i32 %rem, 0 | |||||
| br i1 %tobool, label %if.then, label %if.end | |||||
| ; USE: br i1 %tobool, label %if.then, label %if.end | |||||
| ; USE-SAME: !prof ![[BW_BAR_ENTRY:[0-9]+]] | |||||
| if.then: | |||||
| ; GEN: if.then: | |||||
| ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__llvm_profile_name_bar, i32 0, i32 0), i64 24868915205, i32 2, i32 1) | |||||
| %exception = call i8* @__cxa_allocate_exception(i64 4) | |||||
| %tmp = bitcast i8* %exception to i32* | |||||
| store i32 %i, i32* %tmp, align 16 | |||||
| call void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null) | |||||
| unreachable | |||||
| if.end: | |||||
| ; GEN: if.end: | |||||
| ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__llvm_profile_name_bar, i32 0, i32 0), i64 24868915205, i32 2, i32 0) | |||||
| ret i32 0 | |||||
| } | |||||
| declare i8* @__cxa_allocate_exception(i64) | |||||
| declare void @__cxa_throw(i8*, i8*, i8*) | |||||
| define i32 @foo(i32 %i) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { | |||||
| entry: | |||||
| ; GEN: entry: | |||||
| ; GEN-NOT: call void @llvm.instrprof.increment | |||||
| %rem = srem i32 %i, 2 | |||||
| %tobool = icmp ne i32 %rem, 0 | |||||
| br i1 %tobool, label %if.then, label %if.end | |||||
| ; USE: br i1 %tobool, label %if.then, label %if.end | |||||
| ; USE-SAME: !prof ![[BW_FOO_ENTRY:[0-9]+]] | |||||
| if.then: | |||||
| ; GEN: if.then: | |||||
| ; GEN-NOT: call void @llvm.instrprof.increment | |||||
| %mul = mul nsw i32 %i, 7 | |||||
| %call = invoke i32 @bar(i32 %mul) | |||||
| to label %invoke.cont unwind label %lpad | |||||
| invoke.cont: | |||||
| ; GEN: invoke.cont: | |||||
| ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__llvm_profile_name_foo, i32 0, i32 0), i64 59130013419, i32 4, i32 1) | |||||
| br label %if.end | |||||
| lpad: | |||||
| ; GEN: lpad: | |||||
| ; GEN-NOT: call void @llvm.instrprof.increment | |||||
| %tmp = landingpad { i8*, i32 } | |||||
| catch i8* bitcast (i8** @_ZTIi to i8*) | |||||
| %tmp1 = extractvalue { i8*, i32 } %tmp, 0 | |||||
| %tmp2 = extractvalue { i8*, i32 } %tmp, 1 | |||||
| br label %catch.dispatch | |||||
| catch.dispatch: | |||||
| ; GEN: catch.dispatch: | |||||
| ; GEN-NOT: call void @llvm.instrprof.increment | |||||
| %tmp3 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) | |||||
| %matches = icmp eq i32 %tmp2, %tmp3 | |||||
| br i1 %matches, label %catch, label %eh.resume | |||||
| ; USE: br i1 %matches, label %catch, label %eh.resume | |||||
| ; USE-SAME: !prof ![[BW_CATCH_DISPATCH:[0-9]+]] | |||||
| catch: | |||||
| ; GEN: catch: | |||||
| ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__llvm_profile_name_foo, i32 0, i32 0), i64 59130013419, i32 4, i32 2) | |||||
| %tmp4 = call i8* @__cxa_begin_catch(i8* %tmp1) | |||||
| %tmp5 = bitcast i8* %tmp4 to i32* | |||||
| %tmp6 = load i32, i32* %tmp5, align 4 | |||||
| %tmp7 = load i32, i32* @val, align 4 | |||||
| %sub = sub nsw i32 %tmp7, %tmp6 | |||||
| store i32 %sub, i32* @val, align 4 | |||||
| call void @__cxa_end_catch() | |||||
| br label %try.cont | |||||
| try.cont: | |||||
| ; GEN: try.cont: | |||||
| ; GEN-NOT: call void @llvm.instrprof.increment | |||||
| ret i32 -1 | |||||
| if.end: | |||||
| ; GEN: if.end: | |||||
| ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__llvm_profile_name_foo, i32 0, i32 0), i64 59130013419, i32 4, i32 0) | |||||
| %tmp8 = load i32, i32* @val, align 4 | |||||
| %add = add nsw i32 %tmp8, %i | |||||
| store i32 %add, i32* @val, align 4 | |||||
| br label %try.cont | |||||
| eh.resume: | |||||
| ; GEN: eh.resume: | |||||
| ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__llvm_profile_name_foo, i32 0, i32 0), i64 59130013419, i32 4, i32 3) | |||||
| %lpad.val = insertvalue { i8*, i32 } undef, i8* %tmp1, 0 | |||||
| %lpad.val3 = insertvalue { i8*, i32 } %lpad.val, i32 %tmp2, 1 | |||||
| resume { i8*, i32 } %lpad.val3 | |||||
| } | |||||
| declare i32 @__gxx_personality_v0(...) | |||||
| declare i32 @llvm.eh.typeid.for(i8*) | |||||
| declare i8* @__cxa_begin_catch(i8*) | |||||
| declare void @__cxa_end_catch() | |||||
| ; USE: ![[BW_BAR_ENTRY]] = !{!"branch_weights", i32 2, i32 1} | |||||
| ; USE: ![[BW_FOO_ENTRY]] = !{!"branch_weights", i32 3, i32 2} | |||||
| ; USE: ![[BW_CATCH_DISPATCH]] = !{!"branch_weights", i32 2, i32 0} | |||||