forked from OSchip/llvm-project
[LVI] Regenerate test checks; NFC
This commit is contained in:
Nikita Popov
parent
11850a6305
commit
1cfe3e6df9
|
|
@ -1,8 +1,11 @@
|
|||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt -S < %s -jump-threading | FileCheck %s
|
||||
; CHECK-LABEL: @foo
|
||||
; CHECK-NEXT: exit2:
|
||||
; CHECK-NEXT: ret void
|
||||
|
||||
define void @foo() {
|
||||
; CHECK-LABEL: define {{[^@]+}}@foo(
|
||||
; CHECK-NEXT: exit2:
|
||||
; CHECK-NEXT: ret void
|
||||
;
|
||||
entry:
|
||||
br label %bb1
|
||||
|
||||
|
|
|
|||
|
|
@ -1,3 +1,4 @@
|
|||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt -S -jump-threading < %s | FileCheck %s
|
||||
|
||||
; Check that the heuristic for avoiding accidental introduction of irreducible
|
||||
|
|
@ -7,93 +8,126 @@
|
|||
declare void @opaque_body()
|
||||
|
||||
define void @jump_threading_loopheader() {
|
||||
; CHECK-LABEL: @jump_threading_loopheader
|
||||
; CHECK-LABEL: define {{[^@]+}}@jump_threading_loopheader(
|
||||
; CHECK-NEXT: top:
|
||||
; CHECK-NEXT: br label [[ENTRY:%.*]]
|
||||
; CHECK: entry:
|
||||
; CHECK-NEXT: [[IND:%.*]] = phi i32 [ 0, [[TOP:%.*]] ], [ [[NEXTIND:%.*]], [[LATCH:%.*]] ]
|
||||
; CHECK-NEXT: [[NEXTIND]] = add i32 [[IND]], 1
|
||||
; CHECK-NEXT: [[CMP:%.*]] = icmp ule i32 [[IND]], 10
|
||||
; CHECK-NEXT: br i1 [[CMP]], label [[LATCH]], label [[EXIT:%.*]]
|
||||
; CHECK: latch:
|
||||
; CHECK-NEXT: call void @opaque_body()
|
||||
; CHECK-NEXT: br label [[ENTRY]]
|
||||
; CHECK: exit:
|
||||
; CHECK-NEXT: ret void
|
||||
;
|
||||
top:
|
||||
br label %entry
|
||||
br label %entry
|
||||
|
||||
entry:
|
||||
%ind = phi i32 [0, %top], [%nextind, %latch]
|
||||
%nextind = add i32 %ind, 1
|
||||
%cmp = icmp ule i32 %ind, 10
|
||||
; CHECK: br i1 %cmp, label %latch, label %exit
|
||||
br i1 %cmp, label %body, label %latch
|
||||
%ind = phi i32 [0, %top], [%nextind, %latch]
|
||||
%nextind = add i32 %ind, 1
|
||||
%cmp = icmp ule i32 %ind, 10
|
||||
br i1 %cmp, label %body, label %latch
|
||||
|
||||
body:
|
||||
call void @opaque_body()
|
||||
; CHECK: br label %entry
|
||||
br label %latch
|
||||
call void @opaque_body()
|
||||
br label %latch
|
||||
|
||||
latch:
|
||||
%cond = phi i2 [1, %entry], [2, %body]
|
||||
switch i2 %cond, label %unreach [
|
||||
i2 2, label %entry
|
||||
i2 1, label %exit
|
||||
]
|
||||
%cond = phi i2 [1, %entry], [2, %body]
|
||||
switch i2 %cond, label %unreach [
|
||||
i2 2, label %entry
|
||||
i2 1, label %exit
|
||||
]
|
||||
|
||||
unreach:
|
||||
unreachable
|
||||
unreachable
|
||||
|
||||
exit:
|
||||
ret void
|
||||
ret void
|
||||
}
|
||||
|
||||
; We also need to check the opposite order of the branches, in the switch
|
||||
; instruction because jump-threading relies on that to decide which edge to
|
||||
; try to thread first.
|
||||
define void @jump_threading_loopheader2() {
|
||||
; CHECK-LABEL: @jump_threading_loopheader2
|
||||
; CHECK-LABEL: define {{[^@]+}}@jump_threading_loopheader2(
|
||||
; CHECK-NEXT: top:
|
||||
; CHECK-NEXT: br label [[ENTRY:%.*]]
|
||||
; CHECK: entry:
|
||||
; CHECK-NEXT: [[IND:%.*]] = phi i32 [ 0, [[TOP:%.*]] ], [ [[NEXTIND:%.*]], [[LATCH:%.*]] ]
|
||||
; CHECK-NEXT: [[NEXTIND]] = add i32 [[IND]], 1
|
||||
; CHECK-NEXT: [[CMP:%.*]] = icmp ule i32 [[IND]], 10
|
||||
; CHECK-NEXT: br i1 [[CMP]], label [[EXIT:%.*]], label [[LATCH]]
|
||||
; CHECK: latch:
|
||||
; CHECK-NEXT: br label [[ENTRY]]
|
||||
; CHECK: exit:
|
||||
; CHECK-NEXT: call void @opaque_body()
|
||||
; CHECK-NEXT: ret void
|
||||
;
|
||||
top:
|
||||
br label %entry
|
||||
br label %entry
|
||||
|
||||
entry:
|
||||
%ind = phi i32 [0, %top], [%nextind, %latch]
|
||||
%nextind = add i32 %ind, 1
|
||||
%cmp = icmp ule i32 %ind, 10
|
||||
; CHECK: br i1 %cmp, label %exit, label %latch
|
||||
br i1 %cmp, label %body, label %latch
|
||||
%ind = phi i32 [0, %top], [%nextind, %latch]
|
||||
%nextind = add i32 %ind, 1
|
||||
%cmp = icmp ule i32 %ind, 10
|
||||
br i1 %cmp, label %body, label %latch
|
||||
|
||||
body:
|
||||
call void @opaque_body()
|
||||
; CHECK: br label %entry
|
||||
br label %latch
|
||||
call void @opaque_body()
|
||||
br label %latch
|
||||
|
||||
latch:
|
||||
%cond = phi i2 [1, %entry], [2, %body]
|
||||
switch i2 %cond, label %unreach [
|
||||
i2 1, label %entry
|
||||
i2 2, label %exit
|
||||
]
|
||||
%cond = phi i2 [1, %entry], [2, %body]
|
||||
switch i2 %cond, label %unreach [
|
||||
i2 1, label %entry
|
||||
i2 2, label %exit
|
||||
]
|
||||
|
||||
unreach:
|
||||
unreachable
|
||||
unreachable
|
||||
|
||||
exit:
|
||||
ret void
|
||||
ret void
|
||||
}
|
||||
|
||||
; Check if we can handle undef branch condition.
|
||||
define void @jump_threading_loopheader3() {
|
||||
; CHECK-LABEL: @jump_threading_loopheader3
|
||||
; CHECK-LABEL: define {{[^@]+}}@jump_threading_loopheader3(
|
||||
; CHECK-NEXT: top:
|
||||
; CHECK-NEXT: br label [[ENTRY:%.*]]
|
||||
; CHECK: entry:
|
||||
; CHECK-NEXT: [[IND:%.*]] = phi i32 [ 0, [[TOP:%.*]] ], [ [[NEXTIND:%.*]], [[LATCH:%.*]] ]
|
||||
; CHECK-NEXT: [[NEXTIND]] = add i32 [[IND]], 1
|
||||
; CHECK-NEXT: [[CMP:%.*]] = icmp ule i32 [[IND]], 10
|
||||
; CHECK-NEXT: br i1 [[CMP]], label [[LATCH]], label [[EXIT:%.*]]
|
||||
; CHECK: latch:
|
||||
; CHECK-NEXT: call void @opaque_body()
|
||||
; CHECK-NEXT: br label [[ENTRY]]
|
||||
; CHECK: exit:
|
||||
; CHECK-NEXT: ret void
|
||||
;
|
||||
top:
|
||||
br label %entry
|
||||
br label %entry
|
||||
|
||||
entry:
|
||||
%ind = phi i32 [0, %top], [%nextind, %latch]
|
||||
%nextind = add i32 %ind, 1
|
||||
%cmp = icmp ule i32 %ind, 10
|
||||
; CHECK: br i1 %cmp, label %latch, label %exit
|
||||
br i1 %cmp, label %body, label %latch
|
||||
%ind = phi i32 [0, %top], [%nextind, %latch]
|
||||
%nextind = add i32 %ind, 1
|
||||
%cmp = icmp ule i32 %ind, 10
|
||||
br i1 %cmp, label %body, label %latch
|
||||
|
||||
body:
|
||||
call void @opaque_body()
|
||||
; CHECK: br label %entry
|
||||
br label %latch
|
||||
call void @opaque_body()
|
||||
br label %latch
|
||||
|
||||
latch:
|
||||
%phi = phi i32 [undef, %entry], [0, %body]
|
||||
%cmp1 = icmp eq i32 %phi, 0
|
||||
br i1 %cmp1, label %entry, label %exit
|
||||
%phi = phi i32 [undef, %entry], [0, %body]
|
||||
%cmp1 = icmp eq i32 %phi, 0
|
||||
br i1 %cmp1, label %entry, label %exit
|
||||
|
||||
exit:
|
||||
ret void
|
||||
ret void
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,15 +1,22 @@
|
|||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt -S -jump-threading < %s | FileCheck %s
|
||||
|
||||
define i8 @test(i32 %a, i32 %length) {
|
||||
; CHECK-LABEL: @test
|
||||
; CHECK-LABEL: define {{[^@]+}}@test(
|
||||
; CHECK-NEXT: entry:
|
||||
; CHECK-NEXT: br label [[BACKEDGE:%.*]]
|
||||
; CHECK: backedge:
|
||||
; CHECK-NEXT: [[IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[IV_NEXT:%.*]], [[BACKEDGE]] ]
|
||||
; CHECK-NEXT: [[IV_NEXT]] = add nsw i32 [[IV]], 1
|
||||
; CHECK-NEXT: [[CONT:%.*]] = icmp slt i32 [[IV_NEXT]], 400
|
||||
; CHECK-NEXT: br i1 [[CONT]], label [[BACKEDGE]], label [[EXIT:%.*]]
|
||||
; CHECK: exit:
|
||||
; CHECK-NEXT: ret i8 0
|
||||
;
|
||||
entry:
|
||||
; CHECK: br label %backedge
|
||||
br label %loop
|
||||
|
||||
loop:
|
||||
; CHECK-LABEL: backedge:
|
||||
; CHECK: phi i32
|
||||
; CHECK: br i1 %cont, label %backedge, label %exit
|
||||
%iv = phi i32 [0, %entry], [%iv.next, %backedge]
|
||||
;; We can use an inductive argument to prove %iv is always positive
|
||||
%cnd = icmp sge i32 %iv, 0
|
||||
|
|
|
|||
Loading…
Reference in New Issue