32a4566fbb
The two debuginfo tests go away because the relevant transforms no longer occur in this form, e.g. the "cast of alloca" transform just doesn't exist with opaque pointers.
76 lines
2.4 KiB
LLVM
76 lines
2.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
|
|
; RUN: opt -S -passes=instcombine < %s | FileCheck %s
|
|
|
|
; Instcombine should preserve metadata and alignment while
|
|
; folding a bitcast into a store.
|
|
|
|
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"
|
|
|
|
%struct.A = type { ptr }
|
|
|
|
@G = external constant [5 x ptr]
|
|
|
|
define void @foo(i32 %x, ptr %p) nounwind {
|
|
; CHECK-LABEL: define void @foo
|
|
; CHECK-SAME: (i32 [[X:%.*]], ptr [[P:%.*]]) #[[ATTR0:[0-9]+]] {
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: store i32 [[X]], ptr [[P]], align 16, !noalias !0, !llvm.access.group [[ACC_GRP3:![0-9]+]]
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
entry:
|
|
%x.cast = bitcast i32 %x to float
|
|
store float %x.cast, ptr %p, align 16, !noalias !0, !llvm.access.group !3
|
|
ret void
|
|
}
|
|
|
|
; Check instcombine doesn't try and fold the following bitcast into the store.
|
|
; This transformation would not be safe since we would need to use addrspacecast
|
|
; and addrspacecast is not guaranteed to be a no-op cast.
|
|
|
|
define void @bar(ptr addrspace(1) %a, ptr %b) nounwind {
|
|
; CHECK-LABEL: define void @bar
|
|
; CHECK-SAME: (ptr addrspace(1) [[A:%.*]], ptr [[B:%.*]]) #[[ATTR0]] {
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: store ptr addrspace(1) [[A]], ptr [[B]], align 8
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
entry:
|
|
store ptr addrspace(1) %a, ptr %b
|
|
ret void
|
|
}
|
|
|
|
; Check that we don't combine the bitcast into the store. This would create a
|
|
; bitcast of the swifterror which is invalid.
|
|
|
|
%swift.error = type opaque
|
|
define void @swifterror_store(ptr %x, ptr swifterror %err) {
|
|
; CHECK-LABEL: define void @swifterror_store
|
|
; CHECK-SAME: (ptr [[X:%.*]], ptr swifterror [[ERR:%.*]]) {
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: store ptr [[X]], ptr [[ERR]], align 8
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
entry:
|
|
store ptr %x, ptr %err
|
|
ret void
|
|
}
|
|
|
|
define void @ppcf128_ones_store(ptr %dest) {
|
|
; CHECK-LABEL: define void @ppcf128_ones_store
|
|
; CHECK-SAME: (ptr [[DEST:%.*]]) {
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: store ppc_fp128 0xMFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF, ptr [[DEST]], align 16
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
entry:
|
|
%int = or i128 0, 340282366920938463463374607431768211455 ; 128 ones
|
|
%val = bitcast i128 %int to ppc_fp128
|
|
store ppc_fp128 %val, ptr %dest, align 16
|
|
ret void
|
|
}
|
|
|
|
!0 = !{!1}
|
|
!1 = !{!1, !2}
|
|
!2 = !{!2}
|
|
!3 = !{}
|