llvm-6502/test/CodeGen/Thumb/ldr_ext.ll

36 lines
719 B
LLVM

; RUN: llvm-as < %s | llc -march=thumb | FileCheck %s
define i32 @test1(i8* %v.pntr.s0.u1) {
; CHECK: test1:
; CHECK: ldrb
%tmp.u = load i8* %v.pntr.s0.u1
%tmp1.s = zext i8 %tmp.u to i32
ret i32 %tmp1.s
}
define i32 @test2(i16* %v.pntr.s0.u1) {
; CHECK: test2:
; CHECK: ldrh
%tmp.u = load i16* %v.pntr.s0.u1
%tmp1.s = zext i16 %tmp.u to i32
ret i32 %tmp1.s
}
define i32 @test3(i8* %v.pntr.s1.u0) {
; CHECK: test3:
; CHECK: ldrb
; CHECK: sxtb
%tmp.s = load i8* %v.pntr.s1.u0
%tmp1.s = sext i8 %tmp.s to i32
ret i32 %tmp1.s
}
define i32 @test4() {
; CHECK: test4:
; CHECK: movs
; CHECK: ldrsh
%tmp.s = load i16* null
%tmp1.s = sext i16 %tmp.s to i32
ret i32 %tmp1.s
}