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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt -o - -S %s -passes=instcombine | FileCheck %s
@tlsvar_a4 = thread_local global i32 4, align 4
define void @func_increase_alignment() {
; CHECK-LABEL: define void @func_increase_alignment() {
; CHECK-NEXT: [[P:%.*]] = call align 4 ptr @llvm.threadlocal.address.p0(ptr @tlsvar_a4)
; CHECK-NEXT: store i32 42, ptr [[P]], align 2
; CHECK-NEXT: ret void
;
%p = call align 2 ptr @llvm.threadlocal.address(ptr @tlsvar_a4)
store i32 42, ptr %p, align 2
ret void
}
@tlsvar_a32 = thread_local global i32 5, align 32
define i1 @func_add_alignment() {
; CHECK-LABEL: define i1 @func_add_alignment() {
; CHECK-NEXT: ret i1 true
;
%p = call ptr @llvm.threadlocal.address(ptr @tlsvar_a32)
%p_int = ptrtoint ptr %p to i32
%lowbits = and i32 %p_int, 31
%zero = icmp eq i32 %lowbits, 0
ret i1 %zero
}
@tlsvar_a1 = thread_local global i8 6, align 1
define i1 @func_dont_reduce_alignment() {
; CHECK-LABEL: define i1 @func_dont_reduce_alignment() {
; CHECK-NEXT: ret i1 true
;
%p = call align 4 ptr @llvm.threadlocal.address(ptr @tlsvar_a1)
%p_int = ptrtoint ptr %p to i32
%lowbits = and i32 %p_int, 3
%zero = icmp eq i32 %lowbits, 0
ret i1 %zero
}
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