basictest.ll
2.33 KB
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; RUN: opt < %s -inline -sroa -S | FileCheck %s
; RUN: opt < %s -passes='cgscc(inline,function(sroa))' -S | FileCheck %s
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
define i32 @test1f(i32 %i) {
ret i32 %i
}
define i32 @test1(i32 %W) {
%X = call i32 @test1f(i32 7)
%Y = add i32 %X, %W
ret i32 %Y
; CHECK-LABEL: @test1(
; CHECK-NEXT: %Y = add i32 7, %W
; CHECK-NEXT: ret i32 %Y
}
; rdar://7339069
%T = type { i32, i32 }
; CHECK-NOT: @test2f(
define internal %T* @test2f(i1 %cond, %T* %P) {
br i1 %cond, label %T, label %F
T:
%A = getelementptr %T, %T* %P, i32 0, i32 0
store i32 42, i32* %A
ret %T* %P
F:
ret %T* %P
}
define i32 @test2(i1 %cond) {
%A = alloca %T
%B = call %T* @test2f(i1 %cond, %T* %A)
%C = getelementptr %T, %T* %B, i32 0, i32 0
%D = load i32, i32* %C
ret i32 %D
; CHECK-LABEL: @test2(
; CHECK-NOT: = alloca
; CHECK: ret i32
}
declare void @barrier() noduplicate
define internal i32 @f() {
call void @barrier() noduplicate
ret i32 1
}
define i32 @g() {
call void @barrier() noduplicate
ret i32 2
}
define internal i32 @h() {
call void @barrier() noduplicate
ret i32 3
}
define i32 @test3() {
%b = call i32 @f()
ret i32 %b
}
; The call to @f cannot be inlined as there is another callsite
; calling @f, and @f contains a noduplicate call.
;
; The call to @g cannot be inlined as it has external linkage.
;
; The call to @h *can* be inlined.
; CHECK-LABEL: @test(
define i32 @test() {
; CHECK: call i32 @f()
%a = call i32 @f()
; CHECK: call i32 @g()
%b = call i32 @g()
; CHECK-NOT: call i32 @h()
%c = call i32 @h()
%d = add i32 %a, %b
%e = add i32 %d, %c
ret i32 %e
; CHECK: }
}
; Inliner shouldn't delete calls it can't inline, even if they're trivially dead
; CHECK-LABEL: @outer4(
define void @outer4(void ()* %inner4) {
entry:
; CHECK: call void %inner4()
call void %inner4() nounwind readnone
ret void
}
declare void @inner5_inner()
define void @inner5(void ()* %x) {
call void %x() nounwind readnone
ret void
}
; Inliner shouldn't delete calls it can't inline, even if they're trivially dead and temporarily indirect
; CHECK-LABEL: @outer5(
define void @outer5() {
; CHECK: call void @inner5_inner(
call void @inner5(void ()* @inner5_inner)
ret void
}