Chandler Carruth 625038d5d5 [PM] Turn on the new PM's inliner in addition to the current one for
most of the inliner test cases.

The inliner involves a bunch of interesting code and tends to be where
most of the issues I've seen experimenting with the new PM lie. All of
these test cases pass, but I'd like to keep some more thorough coverage
here so doing a fairly blanket enabling.

There are a handful of interesting tests I've not enabled yet because
they're focused on the always inliner, or on functionality that doesn't
(yet) exist in the inliner.

llvm-svn: 290592
2016-12-27 07:18:43 +00:00

119 lines
3.1 KiB
LLVM

; RUN: opt -inline -S < %s | FileCheck %s
; RUN: opt -passes='cgscc(inline)' -S < %s | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
declare void @llvm.lifetime.start(i64, i8*)
declare void @llvm.lifetime.end(i64, i8*)
define void @helper_both_markers() {
%a = alloca i8
; Size in llvm.lifetime.start / llvm.lifetime.end differs from
; allocation size. We should use the former.
call void @llvm.lifetime.start(i64 2, i8* %a)
call void @llvm.lifetime.end(i64 2, i8* %a)
ret void
}
define void @test_both_markers() {
; CHECK-LABEL: @test_both_markers(
; CHECK: llvm.lifetime.start(i64 2
; CHECK-NEXT: llvm.lifetime.end(i64 2
call void @helper_both_markers()
; CHECK-NEXT: llvm.lifetime.start(i64 2
; CHECK-NEXT: llvm.lifetime.end(i64 2
call void @helper_both_markers()
; CHECK-NEXT: ret void
ret void
}
;; Without this, the inliner will simplify out @test_no_marker before adding
;; any lifetime markers.
declare void @use(i8* %a)
define void @helper_no_markers() {
%a = alloca i8 ; Allocation size is 1 byte.
call void @use(i8* %a)
ret void
}
;; We can't use CHECK-NEXT because there's an extra call void @use in between.
;; Instead, we use CHECK-NOT to verify that there are no other lifetime calls.
define void @test_no_marker() {
; CHECK-LABEL: @test_no_marker(
; CHECK-NOT: lifetime
; CHECK: llvm.lifetime.start(i64 1
; CHECK-NOT: lifetime
; CHECK: llvm.lifetime.end(i64 1
call void @helper_no_markers()
; CHECK-NOT: lifetime
; CHECK: llvm.lifetime.start(i64 1
; CHECK-NOT: lifetime
; CHECK: llvm.lifetime.end(i64 1
call void @helper_no_markers()
; CHECK-NOT: lifetime
; CHECK: ret void
ret void
}
define void @helper_two_casts() {
%a = alloca i32
%b = bitcast i32* %a to i8*
call void @llvm.lifetime.start(i64 4, i8* %b)
%c = bitcast i32* %a to i8*
call void @llvm.lifetime.end(i64 4, i8* %c)
ret void
}
define void @test_two_casts() {
; CHECK-LABEL: @test_two_casts(
; CHECK-NOT: lifetime
; CHECK: llvm.lifetime.start(i64 4
; CHECK-NOT: lifetime
; CHECK: llvm.lifetime.end(i64 4
call void @helper_two_casts()
; CHECK-NOT: lifetime
; CHECK: llvm.lifetime.start(i64 4
; CHECK-NOT: lifetime
; CHECK: llvm.lifetime.end(i64 4
call void @helper_two_casts()
; CHECK-NOT: lifetime
; CHECK: ret void
ret void
}
define void @helper_arrays_alloca() {
%a = alloca [10 x i32], align 16
%1 = bitcast [10 x i32]* %a to i8*
call void @use(i8* %1)
ret void
}
define void @test_arrays_alloca() {
; CHECK-LABEL: @test_arrays_alloca(
; CHECK-NOT: lifetime
; CHECK: llvm.lifetime.start(i64 40,
; CHECK-NOT: lifetime
; CHECK: llvm.lifetime.end(i64 40,
call void @helper_arrays_alloca()
; CHECK-NOT: lifetime
; CHECK: ret void
ret void
}
%swift.error = type opaque
define void @helper_swifterror_alloca() {
entry:
%swifterror = alloca swifterror %swift.error*, align 8
store %swift.error* null, %swift.error** %swifterror, align 8
ret void
}
define void @test_swifterror_alloca() {
; CHECK-LABEL: @test_swifterror_alloca(
; CHECK-NOT: lifetime
call void @helper_swifterror_alloca()
; CHECK: ret void
ret void
}