forked from OSchip/llvm-project
76 lines
2.6 KiB
LLVM
76 lines
2.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc %s -o - -asm-verbose=false | FileCheck %s
|
|
|
|
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
|
|
target triple = "thumbv6m-arm-none-eabi"
|
|
|
|
define i32 @C(i32 %x, i32* nocapture %y) #0 {
|
|
; CHECK-LABEL: C:
|
|
; CHECK: .save {r4, r5, r7, lr}
|
|
; CHECK-NEXT: push {r4, r5, r7, lr}
|
|
; CHECK-NEXT: movs r2, #0
|
|
; CHECK-NEXT: ldr r3, .LCPI0_0
|
|
; CHECK-NEXT: .LBB0_1:
|
|
; CHECK-NEXT: cmp r2, #128
|
|
; CHECK-NEXT: beq .LBB0_5
|
|
; CHECK-NEXT: movs r4, #0
|
|
; CHECK-NEXT: str r4, [r3, #8]
|
|
; CHECK-NEXT: lsls r4, r2, #2
|
|
; CHECK-NEXT: adds r5, r4, r0
|
|
; CHECK-NEXT: str r5, [r3]
|
|
; CHECK-NEXT: movs r5, #1
|
|
; CHECK-NEXT: str r5, [r3, #12]
|
|
; CHECK-NEXT: isb sy
|
|
; CHECK-NEXT: .LBB0_3:
|
|
; CHECK-NEXT: ldr r5, [r3, #12]
|
|
; CHECK-NEXT: cmp r5, #0
|
|
; CHECK-NEXT: bne .LBB0_3
|
|
; CHECK-NEXT: ldr r5, [r3, #4]
|
|
; CHECK-NEXT: str r5, [r1, r4]
|
|
; CHECK-NEXT: adds r2, r2, #1
|
|
; CHECK-NEXT: b .LBB0_1
|
|
; CHECK-NEXT: .LBB0_5:
|
|
; CHECK-NEXT: movs r0, #0
|
|
; CHECK-NEXT: pop {r4, r5, r7, pc}
|
|
; CHECK-NEXT: .p2align 2
|
|
; CHECK-NEXT: .LCPI0_0:
|
|
; CHECK-NEXT: .long 805355524
|
|
entry:
|
|
br label %for.cond
|
|
|
|
for.cond: ; preds = %B.exit, %entry
|
|
%i.0 = phi i32 [ 0, %entry ], [ %inc, %B.exit ]
|
|
%exitcond = icmp eq i32 %i.0, 128
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.body: ; preds = %for.cond
|
|
%mul = shl i32 %i.0, 2
|
|
%add = add i32 %mul, %x
|
|
store volatile i32 0, i32* inttoptr (i32 805355532 to i32*), align 4
|
|
store volatile i32 %add, i32* inttoptr (i32 805355524 to i32*), align 4
|
|
store volatile i32 1, i32* inttoptr (i32 805355536 to i32*), align 16
|
|
tail call void @llvm.arm.isb(i32 15) #1
|
|
br label %while.cond.i
|
|
|
|
while.cond.i: ; preds = %while.cond.i, %for.body
|
|
%0 = load volatile i32, i32* inttoptr (i32 805355536 to i32*), align 16
|
|
%tobool.i = icmp eq i32 %0, 0
|
|
br i1 %tobool.i, label %B.exit, label %while.cond.i
|
|
|
|
B.exit: ; preds = %while.cond.i
|
|
%1 = load volatile i32, i32* inttoptr (i32 805355528 to i32*), align 8
|
|
%arrayidx = getelementptr inbounds i32, i32* %y, i32 %i.0
|
|
store i32 %1, i32* %arrayidx, align 4
|
|
%inc = add nuw nsw i32 %i.0, 1
|
|
br label %for.cond
|
|
|
|
for.end: ; preds = %for.cond
|
|
ret i32 0
|
|
}
|
|
|
|
; Function Attrs: nounwind
|
|
declare void @llvm.arm.isb(i32) #1
|
|
|
|
attributes #0 = { minsize nounwind optsize }
|
|
attributes #1 = { nounwind }
|