173 lines
6.3 KiB
LLVM
173 lines
6.3 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
||
|
|
; RUN: llc < %s -mtriple=aarch64-unknown-unknown | FileCheck %s
|
||
|
|
|
||
|
|
target datalayout = "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128"
|
||
|
|
|
||
|
|
; we need to generate post index load for this case
|
||
|
|
define i32 @test(i32 %c, ptr %a, ptr %b) {
|
||
|
|
; CHECK-LABEL: test:
|
||
|
|
; CHECK: // %bb.0: // %entry
|
||
|
|
; CHECK-NEXT: cmp w0, #1
|
||
|
|
; CHECK-NEXT: b.lt .LBB0_4
|
||
|
|
; CHECK-NEXT: // %bb.1: // %for.body.preheader
|
||
|
|
; CHECK-NEXT: mov w8, w0
|
||
|
|
; CHECK-NEXT: .LBB0_2: // %for.body
|
||
|
|
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
|
||
|
|
; CHECK-NEXT: ldr w9, [x1], #4
|
||
|
|
; CHECK-NEXT: cbnz w9, .LBB0_5
|
||
|
|
; CHECK-NEXT: // %bb.3: // %for.cond
|
||
|
|
; CHECK-NEXT: // in Loop: Header=BB0_2 Depth=1
|
||
|
|
; CHECK-NEXT: subs x8, x8, #1
|
||
|
|
; CHECK-NEXT: b.ne .LBB0_2
|
||
|
|
; CHECK-NEXT: .LBB0_4:
|
||
|
|
; CHECK-NEXT: mov w0, wzr
|
||
|
|
; CHECK-NEXT: ret
|
||
|
|
; CHECK-NEXT: .LBB0_5:
|
||
|
|
; CHECK-NEXT: mov w0, #1 // =0x1
|
||
|
|
; CHECK-NEXT: ret
|
||
|
|
entry:
|
||
|
|
%cmp13 = icmp sgt i32 %c, 0
|
||
|
|
br i1 %cmp13, label %for.body.preheader, label %return
|
||
|
|
|
||
|
|
for.body.preheader: ; preds = %entry
|
||
|
|
%wide.trip.count = zext i32 %c to i64
|
||
|
|
br label %for.body
|
||
|
|
|
||
|
|
for.cond: ; preds = %for.body
|
||
|
|
%iv.next = add nuw nsw i64 %iv, 1
|
||
|
|
%exitcond.not = icmp eq i64 %iv.next, %wide.trip.count
|
||
|
|
br i1 %exitcond.not, label %return, label %for.body
|
||
|
|
|
||
|
|
for.body: ; preds = %for.body.preheader, %for.cond
|
||
|
|
%iv = phi i64 [ 0, %for.body.preheader ], [ %iv.next, %for.cond ]
|
||
|
|
%arrayidx = getelementptr inbounds i32, ptr %a, i64 %iv
|
||
|
|
%val = load i32, ptr %arrayidx, align 4
|
||
|
|
%tobool3.not = icmp eq i32 %val, 0
|
||
|
|
br i1 %tobool3.not, label %for.cond, label %return
|
||
|
|
|
||
|
|
return: ; preds = %for.cond, %for.body, %entry
|
||
|
|
%retval.1 = phi i32 [ 0, %entry ], [ 0, %for.cond ], [ 1, %for.body ]
|
||
|
|
ret i32 %retval.1
|
||
|
|
}
|
||
|
|
|
||
|
|
; negative case: %arrayidx.b is not in header
|
||
|
|
|
||
|
|
define i64 @IVIncHoist_not_all_user_in_header(i32 %c, ptr %a, ptr %b) {
|
||
|
|
; CHECK-LABEL: IVIncHoist_not_all_user_in_header:
|
||
|
|
; CHECK: // %bb.0: // %entry
|
||
|
|
; CHECK-NEXT: cmp w0, #1
|
||
|
|
; CHECK-NEXT: b.lt .LBB1_5
|
||
|
|
; CHECK-NEXT: // %bb.1: // %for.body.preheader
|
||
|
|
; CHECK-NEXT: mov x8, xzr
|
||
|
|
; CHECK-NEXT: mov w9, w0
|
||
|
|
; CHECK-NEXT: add x10, x1, #4
|
||
|
|
; CHECK-NEXT: add x11, x2, #8
|
||
|
|
; CHECK-NEXT: mov w0, #1 // =0x1
|
||
|
|
; CHECK-NEXT: .LBB1_2: // %for.body
|
||
|
|
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
|
||
|
|
; CHECK-NEXT: ldr w12, [x10, x8, lsl #2]
|
||
|
|
; CHECK-NEXT: cbnz w12, .LBB1_7
|
||
|
|
; CHECK-NEXT: // %bb.3: // %if.then
|
||
|
|
; CHECK-NEXT: // in Loop: Header=BB1_2 Depth=1
|
||
|
|
; CHECK-NEXT: ldr w12, [x11, x8, lsl #2]
|
||
|
|
; CHECK-NEXT: cbnz w12, .LBB1_6
|
||
|
|
; CHECK-NEXT: // %bb.4: // %for.cond
|
||
|
|
; CHECK-NEXT: // in Loop: Header=BB1_2 Depth=1
|
||
|
|
; CHECK-NEXT: add x8, x8, #1
|
||
|
|
; CHECK-NEXT: cmp x9, x8
|
||
|
|
; CHECK-NEXT: b.ne .LBB1_2
|
||
|
|
; CHECK-NEXT: .LBB1_5:
|
||
|
|
; CHECK-NEXT: mov x0, xzr
|
||
|
|
; CHECK-NEXT: ret
|
||
|
|
; CHECK-NEXT: .LBB1_6: // %if.then.return.loopexit_crit_edge
|
||
|
|
; CHECK-NEXT: add x0, x8, #3
|
||
|
|
; CHECK-NEXT: .LBB1_7: // %return
|
||
|
|
; CHECK-NEXT: ret
|
||
|
|
entry:
|
||
|
|
%cmp13 = icmp sgt i32 %c, 0
|
||
|
|
br i1 %cmp13, label %for.body.preheader, label %return
|
||
|
|
|
||
|
|
for.body.preheader: ; preds = %entry
|
||
|
|
%wide.trip.count = zext i32 %c to i64
|
||
|
|
br label %for.body
|
||
|
|
|
||
|
|
for.cond: ; preds = %for.body
|
||
|
|
%iv.next = add nuw nsw i64 %iv, 1
|
||
|
|
%exitcond.not = icmp eq i64 %iv.next, %wide.trip.count
|
||
|
|
br i1 %exitcond.not, label %return, label %for.body
|
||
|
|
|
||
|
|
for.body: ; preds = %for.body.preheader, %for.cond
|
||
|
|
%iv = phi i64 [ 0, %for.body.preheader ], [ %iv.next, %for.cond ]
|
||
|
|
%iv.a = phi i64 [ 1, %for.body.preheader ], [ %iv.next.a, %for.cond ]
|
||
|
|
%iv.b = phi i64 [ 2, %for.body.preheader ], [ %iv.next.b, %for.cond ]
|
||
|
|
%arrayidx.a = getelementptr inbounds i32, ptr %a, i64 %iv.a
|
||
|
|
%iv.next.a = add nuw nsw i64 %iv.a, 1
|
||
|
|
%val.a = load i32, ptr %arrayidx.a, align 4
|
||
|
|
%tobool3.not = icmp eq i32 %val.a, 0
|
||
|
|
br i1 %tobool3.not, label %if.then, label %return
|
||
|
|
|
||
|
|
if.then:
|
||
|
|
%arrayidx.b = getelementptr inbounds i32, ptr %b, i64 %iv.b
|
||
|
|
%iv.next.b = add nuw nsw i64 %iv.b, 1
|
||
|
|
%val.b = load i32, ptr %arrayidx.b, align 4
|
||
|
|
%tobool4.not = icmp eq i32 %val.b, 0
|
||
|
|
br i1 %tobool4.not, label %for.cond, label %return
|
||
|
|
|
||
|
|
return: ; preds = %for.cond, %for.body, %entry
|
||
|
|
%retval.1 = phi i64 [ 0, %entry ], [ 0, %for.cond ], [ 1, %for.body ], [ %iv.next.b, %if.then ]
|
||
|
|
ret i64 %retval.1
|
||
|
|
}
|
||
|
|
|
||
|
|
%struct.A = type { i32 }
|
||
|
|
|
||
|
|
; this used to crash because the load type is struct
|
||
|
|
|
||
|
|
define i32 @negative_test_type_is_struct(i32 %c, ptr %a, ptr %b) {
|
||
|
|
; CHECK-LABEL: negative_test_type_is_struct:
|
||
|
|
; CHECK: // %bb.0: // %entry
|
||
|
|
; CHECK-NEXT: cmp w0, #1
|
||
|
|
; CHECK-NEXT: b.lt .LBB2_4
|
||
|
|
; CHECK-NEXT: // %bb.1: // %for.body.preheader
|
||
|
|
; CHECK-NEXT: mov w8, w0
|
||
|
|
; CHECK-NEXT: .LBB2_2: // %for.body
|
||
|
|
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
|
||
|
|
; CHECK-NEXT: ldr w9, [x1]
|
||
|
|
; CHECK-NEXT: cbnz w9, .LBB2_5
|
||
|
|
; CHECK-NEXT: // %bb.3: // %for.cond
|
||
|
|
; CHECK-NEXT: // in Loop: Header=BB2_2 Depth=1
|
||
|
|
; CHECK-NEXT: subs x8, x8, #1
|
||
|
|
; CHECK-NEXT: add x1, x1, #4
|
||
|
|
; CHECK-NEXT: b.ne .LBB2_2
|
||
|
|
; CHECK-NEXT: .LBB2_4:
|
||
|
|
; CHECK-NEXT: mov w0, wzr
|
||
|
|
; CHECK-NEXT: ret
|
||
|
|
; CHECK-NEXT: .LBB2_5:
|
||
|
|
; CHECK-NEXT: mov w0, #1 // =0x1
|
||
|
|
; CHECK-NEXT: ret
|
||
|
|
entry:
|
||
|
|
%cmp13 = icmp sgt i32 %c, 0
|
||
|
|
br i1 %cmp13, label %for.body.preheader, label %return
|
||
|
|
|
||
|
|
for.body.preheader: ; preds = %entry
|
||
|
|
%wide.trip.count = zext i32 %c to i64
|
||
|
|
br label %for.body
|
||
|
|
|
||
|
|
for.cond: ; preds = %for.body
|
||
|
|
%iv.next = add nuw nsw i64 %iv, 1
|
||
|
|
%exitcond.not = icmp eq i64 %iv.next, %wide.trip.count
|
||
|
|
br i1 %exitcond.not, label %return, label %for.body
|
||
|
|
|
||
|
|
for.body: ; preds = %for.body.preheader, %for.cond
|
||
|
|
%iv = phi i64 [ 0, %for.body.preheader ], [ %iv.next, %for.cond ]
|
||
|
|
%arrayidx = getelementptr inbounds i32, ptr %a, i64 %iv
|
||
|
|
%str.val = load %struct.A, ptr %arrayidx
|
||
|
|
%val = extractvalue %struct.A %str.val, 0
|
||
|
|
%tobool3.not = icmp eq i32 %val, 0
|
||
|
|
br i1 %tobool3.not, label %for.cond, label %return
|
||
|
|
|
||
|
|
return: ; preds = %for.cond, %for.body, %entry
|
||
|
|
%retval.1 = phi i32 [ 0, %entry ], [ 0, %for.cond ], [ 1, %for.body ]
|
||
|
|
ret i32 %retval.1
|
||
|
|
}
|
||
|
|
|