429 lines
15 KiB
LLVM
429 lines
15 KiB
LLVM
; RUN: opt -mtriple=thumbv8.1m.main-none-none-eabi -hardware-loops %s -S -o - | \
|
|
; RUN: FileCheck %s
|
|
; RUN: opt -mtriple=thumbv8.1m.main -loop-unroll -unroll-remainder=false -S < %s | \
|
|
; RUN: llc -mtriple=thumbv8.1m.main | FileCheck %s --check-prefix=CHECK-UNROLL
|
|
; RUN: opt -mtriple=thumbv8.1m.main-none-none-eabi -hardware-loops \
|
|
; RUN: -pass-remarks-analysis=hardware-loops %s -S -o - 2>&1 | \
|
|
; RUN: FileCheck %s --check-prefix=CHECK-REMARKS
|
|
|
|
|
|
; CHECK-REMARKS: remark: <unknown>:0:0: hardware-loop not created: it's not profitable to create a hardware-loop
|
|
; CHECK-REMARKS: remark: <unknown>:0:0: hardware-loop not created: nested hardware-loops not supported
|
|
; CHECK-REMARKS: remark: <unknown>:0:0: hardware-loop not created: it's not profitable to create a hardware-loop
|
|
; CHECK-REMARKS: remark: <unknown>:0:0: hardware-loop not created: it's not profitable to create a hardware-loop
|
|
; CHECK-REMARKS: remark: <unknown>:0:0: hardware-loop not created: it's not profitable to create a hardware-loop
|
|
; CHECK-REMARKS: remark: <unknown>:0:0: hardware-loop not created: it's not profitable to create a hardware-loop
|
|
; CHECK-REMARKS: remark: <unknown>:0:0: hardware-loop not created: loop is not a candidate
|
|
; CHECK-REMARKS: remark: <unknown>:0:0: hardware-loop not created: nested hardware-loops not supported
|
|
; CHECK-REMARKS: remark: <unknown>:0:0: hardware-loop not created: it's not profitable to create a hardware-loop
|
|
; CHECK-REMARKS: remark: <unknown>:0:0: hardware-loop not created: it's not profitable to create a hardware-loop
|
|
|
|
|
|
; CHECK-LABEL: early_exit
|
|
; CHECK-NOT: llvm.set.loop.iterations
|
|
; CHECK-NOT: llvm.loop.decrement
|
|
define i32 @early_exit(i32* nocapture readonly %a, i32 %max, i32 %n) {
|
|
entry:
|
|
br label %do.body
|
|
|
|
do.body:
|
|
%i.0 = phi i32 [ 0, %entry ], [ %inc, %if.end ]
|
|
%arrayidx = getelementptr inbounds i32, i32* %a, i32 %i.0
|
|
%0 = load i32, i32* %arrayidx, align 4
|
|
%cmp = icmp sgt i32 %0, %max
|
|
br i1 %cmp, label %do.end, label %if.end
|
|
|
|
if.end:
|
|
%inc = add nuw i32 %i.0, 1
|
|
%cmp1 = icmp ult i32 %inc, %n
|
|
br i1 %cmp1, label %do.body, label %if.end.do.end_crit_edge
|
|
|
|
if.end.do.end_crit_edge:
|
|
%arrayidx2.phi.trans.insert = getelementptr inbounds i32, i32* %a, i32 %inc
|
|
%.pre = load i32, i32* %arrayidx2.phi.trans.insert, align 4
|
|
br label %do.end
|
|
|
|
do.end:
|
|
%1 = phi i32 [ %.pre, %if.end.do.end_crit_edge ], [ %0, %do.body ]
|
|
ret i32 %1
|
|
}
|
|
|
|
; CHECK-LABEL: nested
|
|
; CHECK-NOT: call i32 @llvm.start.loop.iterations.i32(i32 %N)
|
|
; CHECK: br i1 %cmp20, label %while.end7, label %while.cond1.preheader.us
|
|
|
|
; CHECK: [[START:%[^ ]+]] = call i32 @llvm.start.loop.iterations.i32(i32 %N)
|
|
; CHECK: br label %while.body3.us
|
|
|
|
; CHECK: [[REM:%[^ ]+]] = phi i32 [ [[START]], %while.cond1.preheader.us ], [ [[LOOP_DEC:%[^ ]+]], %while.body3.us ]
|
|
; CHECK: [[LOOP_DEC]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[REM]], i32 1)
|
|
; CHECK: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0
|
|
; CHECK: br i1 [[CMP]], label %while.body3.us, label %while.cond1.while.end_crit_edge.us
|
|
|
|
; CHECK-NOT: [[LOOP_DEC1:%[^ ]+]] = call i1 @llvm.loop.decrement.i32(i32 1)
|
|
; CHECK-NOT: br i1 [[LOOP_DEC1]], label %while.cond1.preheader.us, label %while.end7
|
|
|
|
define void @nested(i32* nocapture %A, i32 %N) {
|
|
entry:
|
|
%cmp20 = icmp eq i32 %N, 0
|
|
br i1 %cmp20, label %while.end7, label %while.cond1.preheader.us
|
|
|
|
while.cond1.preheader.us:
|
|
%i.021.us = phi i32 [ %inc6.us, %while.cond1.while.end_crit_edge.us ], [ 0, %entry ]
|
|
%mul.us = mul i32 %i.021.us, %N
|
|
br label %while.body3.us
|
|
|
|
while.body3.us:
|
|
%j.019.us = phi i32 [ 0, %while.cond1.preheader.us ], [ %inc.us, %while.body3.us ]
|
|
%add.us = add i32 %j.019.us, %mul.us
|
|
%arrayidx.us = getelementptr inbounds i32, i32* %A, i32 %add.us
|
|
store i32 %add.us, i32* %arrayidx.us, align 4
|
|
%inc.us = add nuw i32 %j.019.us, 1
|
|
%exitcond = icmp eq i32 %inc.us, %N
|
|
br i1 %exitcond, label %while.cond1.while.end_crit_edge.us, label %while.body3.us
|
|
|
|
while.cond1.while.end_crit_edge.us:
|
|
%inc6.us = add nuw i32 %i.021.us, 1
|
|
%exitcond23 = icmp eq i32 %inc6.us, %N
|
|
br i1 %exitcond23, label %while.end7, label %while.cond1.preheader.us
|
|
|
|
while.end7:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: pre_existing
|
|
; CHECK: llvm.start.loop.iterations
|
|
; CHECK-NOT: llvm.start.loop.iterations
|
|
; CHECK: call i32 @llvm.loop.decrement.reg.i32(i32 %0, i32 1)
|
|
; CHECK-NOT: call i32 @llvm.loop.decrement.reg
|
|
define i32 @pre_existing(i32 %n, i32* nocapture %p, i32* nocapture readonly %q) {
|
|
entry:
|
|
%start = call i32 @llvm.start.loop.iterations.i32(i32 %n)
|
|
br label %while.body
|
|
|
|
while.body: ; preds = %while.body, %entry
|
|
%q.addr.05 = phi i32* [ %incdec.ptr, %while.body ], [ %q, %entry ]
|
|
%p.addr.04 = phi i32* [ %incdec.ptr1, %while.body ], [ %p, %entry ]
|
|
%0 = phi i32 [ %start, %entry ], [ %2, %while.body ]
|
|
%incdec.ptr = getelementptr inbounds i32, i32* %q.addr.05, i32 1
|
|
%1 = load i32, i32* %q.addr.05, align 4
|
|
%incdec.ptr1 = getelementptr inbounds i32, i32* %p.addr.04, i32 1
|
|
store i32 %1, i32* %p.addr.04, align 4
|
|
%2 = call i32 @llvm.loop.decrement.reg.i32(i32 %0, i32 1)
|
|
%3 = icmp ne i32 %2, 0
|
|
br i1 %3, label %while.body, label %while.end
|
|
|
|
while.end: ; preds = %while.body
|
|
ret i32 0
|
|
}
|
|
|
|
; CHECK-LABEL: pre_existing_test_set
|
|
; CHECK: call i1 @llvm.test.set.loop.iterations
|
|
; CHECK-NOT: llvm.set{{.*}}.loop.iterations
|
|
; CHECK: call i32 @llvm.loop.decrement.reg.i32(i32 %0, i32 1)
|
|
; CHECK-NOT: call i32 @llvm.loop.decrement.reg
|
|
define i32 @pre_existing_test_set(i32 %n, i32* nocapture %p, i32* nocapture readonly %q) {
|
|
entry:
|
|
%guard = call i1 @llvm.test.set.loop.iterations.i32(i32 %n)
|
|
br i1 %guard, label %while.preheader, label %while.end
|
|
|
|
while.preheader:
|
|
br label %while.body
|
|
|
|
while.body: ; preds = %while.body, %entry
|
|
%q.addr.05 = phi i32* [ %incdec.ptr, %while.body ], [ %q, %while.preheader ]
|
|
%p.addr.04 = phi i32* [ %incdec.ptr1, %while.body ], [ %p, %while.preheader ]
|
|
%0 = phi i32 [ %n, %while.preheader ], [ %2, %while.body ]
|
|
%incdec.ptr = getelementptr inbounds i32, i32* %q.addr.05, i32 1
|
|
%1 = load i32, i32* %q.addr.05, align 4
|
|
%incdec.ptr1 = getelementptr inbounds i32, i32* %p.addr.04, i32 1
|
|
store i32 %1, i32* %p.addr.04, align 4
|
|
%2 = call i32 @llvm.loop.decrement.reg.i32(i32 %0, i32 1)
|
|
%3 = icmp ne i32 %2, 0
|
|
br i1 %3, label %while.body, label %while.end
|
|
|
|
while.end: ; preds = %while.body
|
|
ret i32 0
|
|
}
|
|
|
|
; CHECK-LABEL: pre_existing_inner
|
|
; CHECK-NOT: llvm.start.loop.iterations
|
|
; CHECK: while.cond1.preheader.us:
|
|
; CHECK: call i32 @llvm.start.loop.iterations.i32(i32 %N)
|
|
; CHECK: call i32 @llvm.loop.decrement.reg.i32(i32 %0, i32 1)
|
|
; CHECK: br i1
|
|
; CHECK-NOT: call i32 @llvm.loop.decrement
|
|
define void @pre_existing_inner(i32* nocapture %A, i32 %N) {
|
|
entry:
|
|
%cmp20 = icmp eq i32 %N, 0
|
|
br i1 %cmp20, label %while.end7, label %while.cond1.preheader.us
|
|
|
|
while.cond1.preheader.us:
|
|
%i.021.us = phi i32 [ %inc6.us, %while.cond1.while.end_crit_edge.us ], [ 0, %entry ]
|
|
%mul.us = mul i32 %i.021.us, %N
|
|
%start = call i32 @llvm.start.loop.iterations.i32(i32 %N)
|
|
br label %while.body3.us
|
|
|
|
while.body3.us:
|
|
%j.019.us = phi i32 [ 0, %while.cond1.preheader.us ], [ %inc.us, %while.body3.us ]
|
|
%0 = phi i32 [ %start, %while.cond1.preheader.us ], [ %1, %while.body3.us ]
|
|
%add.us = add i32 %j.019.us, %mul.us
|
|
%arrayidx.us = getelementptr inbounds i32, i32* %A, i32 %add.us
|
|
store i32 %add.us, i32* %arrayidx.us, align 4
|
|
%inc.us = add nuw i32 %j.019.us, 1
|
|
%1 = call i32 @llvm.loop.decrement.reg.i32(i32 %0, i32 1)
|
|
%2 = icmp ne i32 %1, 0
|
|
br i1 %2, label %while.body3.us, label %while.cond1.while.end_crit_edge.us
|
|
|
|
while.cond1.while.end_crit_edge.us:
|
|
%inc6.us = add nuw i32 %i.021.us, 1
|
|
%exitcond23 = icmp eq i32 %inc6.us, %N
|
|
br i1 %exitcond23, label %while.end7, label %while.cond1.preheader.us
|
|
|
|
while.end7:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: not_rotated
|
|
; CHECK-NOT: call i32 @llvm.start.loop.iterations
|
|
; CHECK-NOT: call i32 @llvm.loop.decrement.i32
|
|
define void @not_rotated(i32, i16* nocapture, i16 signext) {
|
|
br label %4
|
|
|
|
4:
|
|
%5 = phi i32 [ 0, %3 ], [ %19, %18 ]
|
|
%6 = icmp eq i32 %5, %0
|
|
br i1 %6, label %20, label %7
|
|
|
|
7:
|
|
%8 = mul i32 %5, %0
|
|
br label %9
|
|
|
|
9:
|
|
%10 = phi i32 [ %17, %12 ], [ 0, %7 ]
|
|
%11 = icmp eq i32 %10, %0
|
|
br i1 %11, label %18, label %12
|
|
|
|
12:
|
|
%13 = add i32 %10, %8
|
|
%14 = getelementptr inbounds i16, i16* %1, i32 %13
|
|
%15 = load i16, i16* %14, align 2
|
|
%16 = add i16 %15, %2
|
|
store i16 %16, i16* %14, align 2
|
|
%17 = add i32 %10, 1
|
|
br label %9
|
|
|
|
18:
|
|
%19 = add i32 %5, 1
|
|
br label %4
|
|
|
|
20:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: multi_latch
|
|
; CHECK-NOT: call i32 @llvm.start.loop.iterations
|
|
; CHECK-NOT: call i32 @llvm.loop.decrement
|
|
define void @multi_latch(i32* %a, i32* %b, i32 %N) {
|
|
entry:
|
|
%half = lshr i32 %N, 1
|
|
br label %header
|
|
|
|
header:
|
|
%iv = phi i32 [ 0, %entry ], [ %count.next, %latch.0 ], [ %count.next, %latch.1 ]
|
|
%cmp = icmp ult i32 %iv, %half
|
|
%addr.a = getelementptr i32, i32* %a, i32 %iv
|
|
%addr.b = getelementptr i32, i32* %b, i32 %iv
|
|
br i1 %cmp, label %if.then, label %if.else
|
|
|
|
if.then:
|
|
store i32 %iv, i32* %addr.a
|
|
br label %latch.0
|
|
|
|
if.else:
|
|
store i32 %iv, i32* %addr.b
|
|
br label %latch.0
|
|
|
|
latch.0:
|
|
%count.next = add nuw i32 %iv, 1
|
|
%cmp.1 = icmp ult i32 %count.next, %half
|
|
br i1 %cmp.1, label %header, label %latch.1
|
|
|
|
latch.1:
|
|
%ld = load i32, i32* %addr.a
|
|
store i32 %ld, i32* %addr.b
|
|
%cmp.2 = icmp ult i32 %count.next, %N
|
|
br i1 %cmp.2, label %header, label %latch.1
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; CHECK-LABEL: search
|
|
; CHECK: entry:
|
|
; CHECK: [[TEST:%[^ ]+]] = call i1 @llvm.test.set.loop.iterations.i32(i32 %N)
|
|
; CHECK: br i1 [[TEST]], label %for.body.preheader, label %for.cond.cleanup
|
|
; CHECK: for.body.preheader:
|
|
; CHECK: br label %for.body
|
|
; CHECK: for.body:
|
|
; CHECK: for.inc:
|
|
; CHECK: [[LOOP_DEC:%[^ ]+]] = call i32 @llvm.loop.decrement.reg.i32(
|
|
; CHECK: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0
|
|
; CHECK: br i1 [[CMP]], label %for.body, label %for.cond.cleanup
|
|
define i32 @search(i8* nocapture readonly %c, i32 %N) {
|
|
entry:
|
|
%cmp11 = icmp eq i32 %N, 0
|
|
br i1 %cmp11, label %for.cond.cleanup, label %for.body
|
|
|
|
for.cond.cleanup:
|
|
%found.0.lcssa = phi i32 [ 0, %entry ], [ %found.1, %for.inc ]
|
|
%spaces.0.lcssa = phi i32 [ 0, %entry ], [ %spaces.1, %for.inc ]
|
|
%sub = sub nsw i32 %found.0.lcssa, %spaces.0.lcssa
|
|
ret i32 %sub
|
|
|
|
for.body:
|
|
%i.014 = phi i32 [ %inc3, %for.inc ], [ 0, %entry ]
|
|
%spaces.013 = phi i32 [ %spaces.1, %for.inc ], [ 0, %entry ]
|
|
%found.012 = phi i32 [ %found.1, %for.inc ], [ 0, %entry ]
|
|
%arrayidx = getelementptr inbounds i8, i8* %c, i32 %i.014
|
|
%0 = load i8, i8* %arrayidx, align 1
|
|
switch i8 %0, label %for.inc [
|
|
i8 108, label %sw.bb
|
|
i8 111, label %sw.bb
|
|
i8 112, label %sw.bb
|
|
i8 32, label %sw.bb1
|
|
]
|
|
|
|
sw.bb: ; preds = %for.body, %for.body, %for.body
|
|
%inc = add nsw i32 %found.012, 1
|
|
br label %for.inc
|
|
|
|
sw.bb1: ; preds = %for.body
|
|
%inc2 = add nsw i32 %spaces.013, 1
|
|
br label %for.inc
|
|
|
|
for.inc: ; preds = %sw.bb, %sw.bb1, %for.body
|
|
%found.1 = phi i32 [ %found.012, %for.body ], [ %found.012, %sw.bb1 ], [ %inc, %sw.bb ]
|
|
%spaces.1 = phi i32 [ %spaces.013, %for.body ], [ %inc2, %sw.bb1 ], [ %spaces.013, %sw.bb ]
|
|
%inc3 = add nuw i32 %i.014, 1
|
|
%exitcond = icmp eq i32 %inc3, %N
|
|
br i1 %exitcond, label %for.cond.cleanup, label %for.body
|
|
}
|
|
|
|
; CHECK-LABEL: unroll_inc_int
|
|
; CHECK: call i32 @llvm.start.loop.iterations.i32(i32 %N)
|
|
; CHECK: call i32 @llvm.loop.decrement.reg.i32(
|
|
|
|
; TODO: We should be able to support the unrolled loop body.
|
|
; CHECK-UNROLL-LABEL: unroll_inc_int
|
|
; CHECK-UNROLL: [[PREHEADER:.LBB[0-9_]+]]: @ %for.body.preheader
|
|
; CHECK-UNROLL-NOT: dls
|
|
; CHECK-UNROLL: [[LOOP:.LBB[0-9_]+]]: @ %for.body
|
|
; CHECK-UNROLL-NOT: le lr, [[LOOP]]
|
|
; CHECK-UNROLL: bne [[LOOP]]
|
|
; CHECK-UNROLL: wls lr, lr, [[EXIT:.LBB[0-9_]+]]
|
|
; CHECK-UNROLL: [[EPIL:.LBB[0-9_]+]]:
|
|
; CHECK-UNROLL: le lr, [[EPIL]]
|
|
; CHECK-UNROLL-NEXT: [[EXIT]]
|
|
|
|
define void @unroll_inc_int(i32* nocapture %a, i32* nocapture readonly %b, i32* nocapture readonly %c, i32 %N) {
|
|
entry:
|
|
%cmp8 = icmp sgt i32 %N, 0
|
|
br i1 %cmp8, label %for.body, label %for.cond.cleanup
|
|
|
|
for.cond.cleanup:
|
|
ret void
|
|
|
|
for.body:
|
|
%i.09 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
|
|
%arrayidx = getelementptr inbounds i32, i32* %b, i32 %i.09
|
|
%0 = load i32, i32* %arrayidx, align 4
|
|
%arrayidx1 = getelementptr inbounds i32, i32* %c, i32 %i.09
|
|
%1 = load i32, i32* %arrayidx1, align 4
|
|
%mul = mul nsw i32 %1, %0
|
|
%arrayidx2 = getelementptr inbounds i32, i32* %a, i32 %i.09
|
|
store i32 %mul, i32* %arrayidx2, align 4
|
|
%inc = add nuw nsw i32 %i.09, 1
|
|
%exitcond = icmp eq i32 %inc, %N
|
|
br i1 %exitcond, label %for.cond.cleanup, label %for.body
|
|
}
|
|
|
|
; CHECK-LABEL: unroll_inc_unsigned
|
|
; CHECK: call i1 @llvm.test.set.loop.iterations.i32(i32 %N)
|
|
; CHECK: call i32 @llvm.loop.decrement.reg.i32(
|
|
|
|
; TODO: We should be able to support the unrolled loop body.
|
|
; CHECK-UNROLL-LABEL: unroll_inc_unsigned
|
|
; CHECK-UNROLL: [[PREHEADER:.LBB[0-9_]+]]: @ %for.body.preheader
|
|
; CHECK-UNROLL-NOT: dls
|
|
; CHECK-UNROLL: [[LOOP:.LBB[0-9_]+]]: @ %for.body
|
|
; CHECK-UNROLL-NOT: le lr, [[LOOP]]
|
|
; CHECK-UNROLL: bne [[LOOP]]
|
|
; CHECK-UNROLL: wls lr, lr, [[EPIL_EXIT:.LBB[0-9_]+]]
|
|
; CHECK-UNROLL: [[EPIL:.LBB[0-9_]+]]:
|
|
; CHECK-UNROLL: le lr, [[EPIL]]
|
|
; CHECK-UNROLL: [[EPIL_EXIT]]:
|
|
; CHECK-UNROLL: pop
|
|
define void @unroll_inc_unsigned(i32* nocapture %a, i32* nocapture readonly %b, i32* nocapture readonly %c, i32 %N) {
|
|
entry:
|
|
%cmp8 = icmp eq i32 %N, 0
|
|
br i1 %cmp8, label %for.cond.cleanup, label %for.body
|
|
|
|
for.cond.cleanup:
|
|
ret void
|
|
|
|
for.body:
|
|
%i.09 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
|
|
%arrayidx = getelementptr inbounds i32, i32* %b, i32 %i.09
|
|
%0 = load i32, i32* %arrayidx, align 4
|
|
%arrayidx1 = getelementptr inbounds i32, i32* %c, i32 %i.09
|
|
%1 = load i32, i32* %arrayidx1, align 4
|
|
%mul = mul nsw i32 %1, %0
|
|
%arrayidx2 = getelementptr inbounds i32, i32* %a, i32 %i.09
|
|
store i32 %mul, i32* %arrayidx2, align 4
|
|
%inc = add nuw i32 %i.09, 1
|
|
%exitcond = icmp eq i32 %inc, %N
|
|
br i1 %exitcond, label %for.cond.cleanup, label %for.body
|
|
}
|
|
|
|
; CHECK-LABEL: unroll_dec_int
|
|
; CHECK: call i32 @llvm.start.loop.iterations.i32(i32 %N)
|
|
; CHECK: call i32 @llvm.loop.decrement.reg.i32(
|
|
|
|
; CHECK-UNROLL-LABEL: unroll_dec_int:
|
|
; CHECK-UNROLL: wls lr, {{.*}}, [[PROLOGUE_EXIT:.LBB[0-9_]+]]
|
|
; CHECK-UNROLL-NEXT: [[PROLOGUE:.LBB[0-9_]+]]:
|
|
; CHECK-UNROLL: le lr, [[PROLOGUE]]
|
|
; CHECK-UNROLL-NEXT: [[PROLOGUE_EXIT:.LBB[0-9_]+]]:
|
|
; CHECK-UNROLL: dls lr, lr
|
|
; CHECK-UNROLL: [[BODY:.LBB[0-9_]+]]:
|
|
; CHECK-UNROLL: le lr, [[BODY]]
|
|
; CHECK-UNROLL-NOT: b
|
|
; CHECK-UNROLL: pop
|
|
define void @unroll_dec_int(i32* nocapture %a, i32* nocapture readonly %b, i32* nocapture readonly %c, i32 %N) {
|
|
entry:
|
|
%cmp8 = icmp sgt i32 %N, 0
|
|
br i1 %cmp8, label %for.body, label %for.cond.cleanup
|
|
|
|
for.cond.cleanup:
|
|
ret void
|
|
|
|
for.body:
|
|
%i.09 = phi i32 [ %dec, %for.body ], [ %N, %entry ]
|
|
%arrayidx = getelementptr inbounds i32, i32* %b, i32 %i.09
|
|
%0 = load i32, i32* %arrayidx, align 4
|
|
%arrayidx1 = getelementptr inbounds i32, i32* %c, i32 %i.09
|
|
%1 = load i32, i32* %arrayidx1, align 4
|
|
%mul = mul nsw i32 %1, %0
|
|
%arrayidx2 = getelementptr inbounds i32, i32* %a, i32 %i.09
|
|
store i32 %mul, i32* %arrayidx2, align 4
|
|
%dec = add nsw i32 %i.09, -1
|
|
%cmp = icmp sgt i32 %dec, 0
|
|
br i1 %cmp, label %for.body, label %for.cond.cleanup
|
|
}
|
|
|
|
declare i32 @llvm.start.loop.iterations.i32(i32) #0
|
|
declare i1 @llvm.test.set.loop.iterations.i32(i32) #0
|
|
declare i32 @llvm.loop.decrement.reg.i32(i32, i32) #0
|
|
|