Kai Nacke 5403c59c60 [PPC] Opaque pointer migration, part 2.
The LIT test cases were migrated with the script provided by
Nikita Popov. Due to the size of the change it is split into
several parts.

Reviewed By: nemanja, nikic

Differential Revision: https://reviews.llvm.org/D135474
2022-10-11 17:24:06 +00:00

119 lines
4.2 KiB
LLVM

; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s
%struct.anon = type { %struct.anon.0, %struct.anon.1 }
%struct.anon.0 = type { i32 }
%struct.anon.1 = type { i32 }
@i = common global i32 0, align 4
@b = common global ptr null, align 8
@c = common global i32 0, align 4
@a = common global i32 0, align 4
@h = common global i32 0, align 4
@g = common global i32 0, align 4
@j = common global i32 0, align 4
@f = common global %struct.anon zeroinitializer, align 4
@d = common global i32 0, align 4
@e = common global i32 0, align 4
; Function Attrs: norecurse nounwind
define signext i32 @fn1(ptr nocapture %p1, i32 signext %p2, ptr nocapture %p3) {
entry:
%0 = load i32, ptr @i, align 4, !tbaa !1
%cond = icmp eq i32 %0, 8
br i1 %cond, label %if.end16, label %while.cond.preheader
while.cond.preheader: ; preds = %entry
%1 = load ptr, ptr @b, align 8, !tbaa !5
%2 = load i32, ptr %1, align 4, !tbaa !1
%tobool18 = icmp eq i32 %2, 0
br i1 %tobool18, label %while.end, label %while.body.lr.ph
while.body.lr.ph: ; preds = %while.cond.preheader
%.pre = load i32, ptr @c, align 4, !tbaa !1
br label %while.body
while.body: ; preds = %while.body.backedge, %while.body.lr.ph
switch i32 %.pre, label %while.body.backedge [
i32 0, label %sw.bb1
i32 80, label %sw.bb1
i32 60, label %sw.bb1
i32 240, label %while.cond.backedge
]
while.body.backedge: ; preds = %while.body, %while.cond.backedge
br label %while.body
sw.bb1: ; preds = %while.body, %while.body, %while.body
store i32 2, ptr @a, align 4, !tbaa !1
br label %while.cond.backedge
while.cond.backedge: ; preds = %while.body, %sw.bb1
store i32 4, ptr @a, align 4, !tbaa !1
%.pre19 = load i32, ptr %1, align 4, !tbaa !1
%tobool = icmp eq i32 %.pre19, 0
br i1 %tobool, label %while.end.loopexit, label %while.body.backedge
while.end.loopexit: ; preds = %while.cond.backedge
br label %while.end
while.end: ; preds = %while.end.loopexit, %while.cond.preheader
%3 = load i32, ptr @h, align 4, !tbaa !1
%mul = mul nsw i32 %0, %3
%4 = load i32, ptr @g, align 4, !tbaa !1
%mul4 = mul nsw i32 %mul, %4
store i32 %mul4, ptr @j, align 4, !tbaa !1
%5 = load i32, ptr @f, align 4, !tbaa !7
%tobool5 = icmp eq i32 %5, 0
br i1 %tobool5, label %if.end, label %if.then
if.then: ; preds = %while.end
%div = sdiv i32 %5, %mul
store i32 %div, ptr @g, align 4, !tbaa !1
br label %if.end
if.end: ; preds = %while.end, %if.then
%6 = phi i32 [ %4, %while.end ], [ %div, %if.then ]
%7 = load i32, ptr getelementptr inbounds (%struct.anon, ptr @f, i64 0, i32 1, i32 0), align 4, !tbaa !10
%tobool7 = icmp ne i32 %7, 0
%tobool8 = icmp ne i32 %mul4, 0
%or.cond = and i1 %tobool7, %tobool8
%tobool10 = icmp ne i32 %0, 0
%or.cond17 = and i1 %or.cond, %tobool10
br i1 %or.cond17, label %if.then11, label %if.end13
if.then11: ; preds = %if.end
store i32 %3, ptr @d, align 4, !tbaa !1
%8 = load i32, ptr @e, align 4, !tbaa !1
store i32 %8, ptr %p3, align 4, !tbaa !1
%.pre20 = load i32, ptr @g, align 4, !tbaa !1
br label %if.end13
if.end13: ; preds = %if.then11, %if.end
%9 = phi i32 [ %.pre20, %if.then11 ], [ %6, %if.end ]
%tobool14 = icmp eq i32 %9, 0
br i1 %tobool14, label %if.end16, label %if.then15
if.then15: ; preds = %if.end13
store i32 %p2, ptr %p1, align 4, !tbaa !1
br label %if.end16
if.end16: ; preds = %entry, %if.end13, %if.then15
ret i32 2
}
; CHECK: mfocrf {{[0-9]+}}
!llvm.ident = !{!0}
!0 = !{!"clang version 3.9.0 (trunk 261520)"}
!1 = !{!2, !2, i64 0}
!2 = !{!"int", !3, i64 0}
!3 = !{!"omnipotent char", !4, i64 0}
!4 = !{!"Simple C/C++ TBAA"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !3, i64 0}
!7 = !{!8, !2, i64 0}
!8 = !{!"", !9, i64 0, !9, i64 4}
!9 = !{!"", !2, i64 0}
!10 = !{!8, !2, i64 4}