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llvm-6502/test/Transforms/Inline/lifetime.ll

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Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID This is done to avoid odd test failures, like the one fixed in r171243. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171246 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-30 01:28:40 +00:00
; RUN: opt -inline -S < %s | FileCheck %s
Figure out <size> argument of llvm.lifetime intrinsics at the moment they are created (during function inlining) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167821 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 07:15:32 +00:00
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"
Teach the inliner to emit llvm.lifetime.start/end, to scope the local variables of the inlinee to the code representing the original function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131838 91177308-0d34-0410-b5e6-96231b3b80d8
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declare void @llvm.lifetime.start(i64, i8*)
declare void @llvm.lifetime.end(i64, i8*)
define void @helper_both_markers() {
%a = alloca i8
Figure out <size> argument of llvm.lifetime intrinsics at the moment they are created (during function inlining) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167821 91177308-0d34-0410-b5e6-96231b3b80d8
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; 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)
Teach the inliner to emit llvm.lifetime.start/end, to scope the local variables of the inlinee to the code representing the original function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131838 91177308-0d34-0410-b5e6-96231b3b80d8
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ret void
}
define void @test_both_markers() {
; CHECK: @test_both_markers
Figure out <size> argument of llvm.lifetime intrinsics at the moment they are created (during function inlining) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167821 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 07:15:32 +00:00
; CHECK: llvm.lifetime.start(i64 2
; CHECK-NEXT: llvm.lifetime.end(i64 2
Teach the inliner to emit llvm.lifetime.start/end, to scope the local variables of the inlinee to the code representing the original function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131838 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22 05:22:10 +00:00
call void @helper_both_markers()
Figure out <size> argument of llvm.lifetime intrinsics at the moment they are created (during function inlining) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167821 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 07:15:32 +00:00
; CHECK-NEXT: llvm.lifetime.start(i64 2
; CHECK-NEXT: llvm.lifetime.end(i64 2
Teach the inliner to emit llvm.lifetime.start/end, to scope the local variables of the inlinee to the code representing the original function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131838 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22 05:22:10 +00:00
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() {
Figure out <size> argument of llvm.lifetime intrinsics at the moment they are created (during function inlining) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167821 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 07:15:32 +00:00
%a = alloca i8 ; Allocation size is 1 byte.
Teach the inliner to emit llvm.lifetime.start/end, to scope the local variables of the inlinee to the code representing the original function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131838 91177308-0d34-0410-b5e6-96231b3b80d8
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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: @test_no_marker
; CHECK-NOT: lifetime
Figure out <size> argument of llvm.lifetime intrinsics at the moment they are created (during function inlining) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167821 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 07:15:32 +00:00
; CHECK: llvm.lifetime.start(i64 1
Teach the inliner to emit llvm.lifetime.start/end, to scope the local variables of the inlinee to the code representing the original function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131838 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22 05:22:10 +00:00
; CHECK-NOT: lifetime
Figure out <size> argument of llvm.lifetime intrinsics at the moment they are created (during function inlining) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167821 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 07:15:32 +00:00
; CHECK: llvm.lifetime.end(i64 1
Teach the inliner to emit llvm.lifetime.start/end, to scope the local variables of the inlinee to the code representing the original function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131838 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22 05:22:10 +00:00
call void @helper_no_markers()
; CHECK-NOT: lifetime
Figure out <size> argument of llvm.lifetime intrinsics at the moment they are created (during function inlining) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167821 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 07:15:32 +00:00
; CHECK: llvm.lifetime.start(i64 1
Teach the inliner to emit llvm.lifetime.start/end, to scope the local variables of the inlinee to the code representing the original function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131838 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22 05:22:10 +00:00
; CHECK-NOT: lifetime
Figure out <size> argument of llvm.lifetime intrinsics at the moment they are created (during function inlining) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167821 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 07:15:32 +00:00
; CHECK: llvm.lifetime.end(i64 1
Teach the inliner to emit llvm.lifetime.start/end, to scope the local variables of the inlinee to the code representing the original function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131838 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22 05:22:10 +00:00
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: @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
}
Figure out <size> argument of llvm.lifetime intrinsics at the moment they are created (during function inlining) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167821 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-13 07:15:32 +00:00
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: @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
}
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