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| ; RUN: opt < %s -inline -S | FileCheck %s
; RUN: opt < %s -passes='cgscc(inline)' -S | FileCheck %s
@a = global i32 4
@_ZTIi = external global i8*
; CHECK-LABEL: callSimpleFunction
; CHECK: call i32 @simpleFunction
define i32 @callSimpleFunction(i32 %idx, i32 %limit) {
entry:
%cmp = icmp sge i32 %idx, %limit
br i1 %cmp, label %if.then, label %if.end
if.then:
%s = call i32 @simpleFunction(i32 %idx)
store i32 %s, i32* @a
unreachable
if.end:
ret i32 %idx
}
; CHECK-LABEL: callSmallFunction
; CHECK-NOT: call i32 @smallFunction
define i32 @callSmallFunction(i32 %idx, i32 %limit) {
entry:
%cmp = icmp sge i32 %idx, %limit
br i1 %cmp, label %if.then, label %if.end
if.then:
%s = call i32 @smallFunction(i32 %idx)
store i32 %s, i32* @a
unreachable
if.end:
ret i32 %idx
}
; CHECK-LABEL: throwSimpleException
; CHECK: invoke i32 @simpleFunction
define i32 @throwSimpleException(i32 %idx, i32 %limit) #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
entry:
%cmp = icmp sge i32 %idx, %limit
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
%exception = call i8* @__cxa_allocate_exception(i64 1) #0
invoke i32 @simpleFunction(i32 %idx)
to label %invoke.cont unwind label %lpad
invoke.cont: ; preds = %if.then
call void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null) #1
unreachable
lpad: ; preds = %if.then
%ll = landingpad { i8*, i32 }
cleanup
ret i32 %idx
if.end: ; preds = %entry
ret i32 %idx
}
; CHECK-LABEL: throwSmallException
; CHECK-NOT: invoke i32 @smallFunction
define i32 @throwSmallException(i32 %idx, i32 %limit) #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
entry:
%cmp = icmp sge i32 %idx, %limit
br i1 %cmp, label %if.then, label %if.end
if.then: ; preds = %entry
%exception = call i8* @__cxa_allocate_exception(i64 1) #0
invoke i32 @smallFunction(i32 %idx)
to label %invoke.cont unwind label %lpad
invoke.cont: ; preds = %if.then
call void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null) #1
unreachable
lpad: ; preds = %if.then
%ll = landingpad { i8*, i32 }
cleanup
ret i32 %idx
if.end: ; preds = %entry
ret i32 %idx
}
define i32 @simpleFunction(i32 %a) #0 {
entry:
%a1 = load volatile i32, i32* @a
%x1 = add i32 %a1, %a1
%a2 = load volatile i32, i32* @a
%x2 = add i32 %x1, %a2
%a3 = load volatile i32, i32* @a
%x3 = add i32 %x2, %a3
%a4 = load volatile i32, i32* @a
%x4 = add i32 %x3, %a4
%a5 = load volatile i32, i32* @a
%x5 = add i32 %x4, %a5
%a6 = load volatile i32, i32* @a
%x6 = add i32 %x5, %a6
%a7 = load volatile i32, i32* @a
%x7 = add i32 %x6, %a6
%a8 = load volatile i32, i32* @a
%x8 = add i32 %x7, %a8
%a9 = load volatile i32, i32* @a
%x9 = add i32 %x8, %a9
%a10 = load volatile i32, i32* @a
%x10 = add i32 %x9, %a10
%a11 = load volatile i32, i32* @a
%x11 = add i32 %x10, %a11
%a12 = load volatile i32, i32* @a
%x12 = add i32 %x11, %a12
%add = add i32 %x12, %a
ret i32 %add
}
define i32 @smallFunction(i32 %a) {
entry:
%r = load volatile i32, i32* @a
ret i32 %r
}
attributes #0 = { nounwind }
attributes #1 = { noreturn }
declare i8* @__cxa_allocate_exception(i64)
declare i32 @__gxx_personality_v0(...)
declare void @__cxa_throw(i8*, i8*, i8*)
|