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; test for more complicated forms of lea operands which can be generated
; in loop optimized cases.
; See also http://llvm.org/bugs/show_bug.cgi?id=20016
; RUN: llc < %s -mtriple=x86_64-linux -O2 | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-linux-gnux32 -O2 | FileCheck %s -check-prefix=X32
; RUN: llc < %s -mtriple=x86_64-nacl -O2 | FileCheck %s -check-prefix=X32
; Function Attrs: nounwind readnone uwtable
define void @foo(i32 %x, i32 %d) #0 {
entry:
%a = alloca [8 x i32], align 16
br label %while.cond
while.cond: ; preds = %while.cond, %entry
%d.addr.0 = phi i32 [ %d, %entry ], [ %inc, %while.cond ]
%arrayidx = getelementptr inbounds [8 x i32]* %a, i32 0, i32 %d.addr.0
; CHECK: leaq -40(%rsp,%r{{[^,]*}},4), %rax
; X32: leal -40(%rsp,%r{{[^,]*}},4), %eax
%0 = load i32* %arrayidx, align 4
%cmp1 = icmp eq i32 %0, 0
%inc = add nsw i32 %d.addr.0, 1
; CHECK: leaq 4(%r{{[^,]*}}), %r{{[^,]*}}
; X32: leal 4(%r{{[^,]*}}), %e{{[^,]*}}
br i1 %cmp1, label %while.end, label %while.cond
while.end: ; preds = %while.cond
ret void
}
; The same test as above but with enforsed stack realignment (%a aligned by 64)
; to check one more case of correct lea generation.
; Function Attrs: nounwind readnone uwtable
define void @bar(i32 %x, i32 %d) #0 {
entry:
%a = alloca [8 x i32], align 64
br label %while.cond
while.cond: ; preds = %while.cond, %entry
%d.addr.0 = phi i32 [ %d, %entry ], [ %inc, %while.cond ]
%arrayidx = getelementptr inbounds [8 x i32]* %a, i32 0, i32 %d.addr.0
; CHECK: leaq (%rsp,%r{{[^,]*}},4), %rax
; X32: leal (%rsp,%r{{[^,]*}},4), %eax
%0 = load i32* %arrayidx, align 4
%cmp1 = icmp eq i32 %0, 0
%inc = add nsw i32 %d.addr.0, 1
; CHECK: leaq 4(%r{{[^,]*}}), %r{{[^,]*}}
; X32: leal 4(%r{{[^,]*}}), %e{{[^,]*}}
br i1 %cmp1, label %while.end, label %while.cond
while.end: ; preds = %while.cond
ret void
}
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