llvm/test/Transforms/GlobalOpt/integer-bool.ll

29 lines
560 B
LLVM

; RUN: opt < %s -S -globalopt -instcombine | FileCheck %s
;; check that global opt turns integers that only hold 0 or 1 into bools.
@G = internal addrspace(1) global i32 0
; CHECK: @G
; CHECK: addrspace(1)
; CHECK: global i1 false
define void @set1() {
store i32 0, i32 addrspace(1)* @G
; CHECK: store i1 false
ret void
}
define void @set2() {
store i32 1, i32 addrspace(1)* @G
; CHECK: store i1 true
ret void
}
define i1 @get() {
; CHECK-LABEL: @get(
%A = load i32 addrspace(1) * @G
%C = icmp slt i32 %A, 2
ret i1 %C
; CHECK: ret i1 true
}