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llvm-6502/test/CodeGen/Thumb2/thumb2-ifcvt3.ll
Evan Cheng 53519f015e Last round of fixes for movw + movt global address codegen.
1. Fixed ARM pc adjustment.
2. Fixed dynamic-no-pic codegen
3. CSE of pc-relative load of global addresses.

It's now enabled by default for Darwin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123991 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-21 18:55:51 +00:00

32 lines
1.0 KiB
LLVM

; RUN: llc < %s -mtriple=thumbv7-apple-darwin | FileCheck %s
; There shouldn't be a unconditional branch at end of bb52.
; rdar://7184787
@posed = external global i64 ; <i64*> [#uses=1]
define i1 @ab_bb52(i64 %.reload78, i64* %.out, i64* %.out1) nounwind {
newFuncRoot:
br label %bb52
bb52.bb55_crit_edge.exitStub: ; preds = %bb52
store i64 %0, i64* %.out
store i64 %2, i64* %.out1
ret i1 true
bb52.bb53_crit_edge.exitStub: ; preds = %bb52
store i64 %0, i64* %.out
store i64 %2, i64* %.out1
ret i1 false
bb52: ; preds = %newFuncRoot
; CHECK: movne
; CHECK: moveq
; CHECK: pop
%0 = load i64* @posed, align 4 ; <i64> [#uses=3]
%1 = sub i64 %0, %.reload78 ; <i64> [#uses=1]
%2 = ashr i64 %1, 1 ; <i64> [#uses=3]
%3 = icmp eq i64 %2, 0 ; <i1> [#uses=1]
br i1 %3, label %bb52.bb55_crit_edge.exitStub, label %bb52.bb53_crit_edge.exitStub
}