-; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm &&
-; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep "ldrb" | wc -l | grep 1 &&
-; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep "ldrsb" | wc -l | grep 1 &&
-; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep "ldrh" | wc -l | grep 1 &&
-; RUN: llvm-upgrade < %s | llvm-as | llc -march=arm | grep "ldrsh" | wc -l | grep 1
+; RUN: llc -mtriple=arm-eabi %s -o - | FileCheck %s
-int %test1(ubyte* %v) {
- %tmp = load ubyte* %v
- %tmp1 = cast ubyte %tmp to int
- ret int %tmp1
+define i32 @test1(i8* %t1) nounwind {
+; CHECK: ldrb
+ %tmp.u = load i8, i8* %t1
+ %tmp1.s = zext i8 %tmp.u to i32
+ ret i32 %tmp1.s
}
-int %test2(ushort* %v) {
- %tmp = load ushort* %v
- %tmp1 = cast ushort %tmp to int
- ret int %tmp1
+define i32 @test2(i16* %t1) nounwind {
+; CHECK: ldrh
+ %tmp.u = load i16, i16* %t1
+ %tmp1.s = zext i16 %tmp.u to i32
+ ret i32 %tmp1.s
}
-int %test3(sbyte* %v) {
- %tmp = load sbyte* %v
- %tmp1 = cast sbyte %tmp to int
- ret int %tmp1
+define i32 @test3(i8* %t0) nounwind {
+; CHECK: ldrsb
+ %tmp.s = load i8, i8* %t0
+ %tmp1.s = sext i8 %tmp.s to i32
+ ret i32 %tmp1.s
}
-int %test4(short* %v) {
- %tmp = load short* %v
- %tmp1 = cast short %tmp to int
- ret int %tmp1
+define i32 @test4(i16* %t0) nounwind {
+; CHECK: ldrsh
+ %tmp.s = load i16, i16* %t0
+ %tmp1.s = sext i16 %tmp.s to i32
+ ret i32 %tmp1.s
+}
+
+define i32 @test5() nounwind {
+; CHECK: mov r0, #0
+; CHECK: ldrsh
+ %tmp.s = load i16, i16* null
+ %tmp1.s = sext i16 %tmp.s to i32
+ ret i32 %tmp1.s
}