| ; RUN: llc < %s -march=arm | FileCheck %s | |
| define i64 @f1() { | |
| ; CHECK: f1: | |
| entry: | |
| ret i64 0 | |
| } | |
| define i64 @f2() { | |
| ; CHECK: f2: | |
| entry: | |
| ret i64 1 | |
| } | |
| define i64 @f3() { | |
| ; CHECK: f3: | |
| ; CHECK: mvn r0, #-2147483648 | |
| entry: | |
| ret i64 2147483647 | |
| } | |
| define i64 @f4() { | |
| ; CHECK: f4: | |
| ; CHECK: mov r0, #-2147483648 | |
| entry: | |
| ret i64 2147483648 | |
| } | |
| define i64 @f5() { | |
| ; CHECK: f5: | |
| ; CHECK: mvn r0, #0 | |
| ; CHECK: mvn r1, #-2147483648 | |
| entry: | |
| ret i64 9223372036854775807 | |
| } | |
| define i64 @f6(i64 %x, i64 %y) { | |
| ; CHECK: f6: | |
| ; CHECK: adds | |
| ; CHECK: adc | |
| entry: | |
| %tmp1 = add i64 %y, 1 ; <i64> [#uses=1] | |
| ret i64 %tmp1 | |
| } | |
| define void @f7() { | |
| ; CHECK: f7: | |
| entry: | |
| %tmp = call i64 @f8( ) ; <i64> [#uses=0] | |
| ret void | |
| } | |
| declare i64 @f8() | |
| define i64 @f9(i64 %a, i64 %b) { | |
| ; CHECK: f9: | |
| ; CHECK: subs r | |
| ; CHECK: sbc | |
| entry: | |
| %tmp = sub i64 %a, %b ; <i64> [#uses=1] | |
| ret i64 %tmp | |
| } | |
| define i64 @f(i32 %a, i32 %b) { | |
| ; CHECK: f: | |
| ; CHECK: smull | |
| entry: | |
| %tmp = sext i32 %a to i64 ; <i64> [#uses=1] | |
| %tmp1 = sext i32 %b to i64 ; <i64> [#uses=1] | |
| %tmp2 = mul i64 %tmp1, %tmp ; <i64> [#uses=1] | |
| ret i64 %tmp2 | |
| } | |
| define i64 @g(i32 %a, i32 %b) { | |
| ; CHECK: g: | |
| ; CHECK: umull | |
| entry: | |
| %tmp = zext i32 %a to i64 ; <i64> [#uses=1] | |
| %tmp1 = zext i32 %b to i64 ; <i64> [#uses=1] | |
| %tmp2 = mul i64 %tmp1, %tmp ; <i64> [#uses=1] | |
| ret i64 %tmp2 | |
| } | |
| define i64 @f10() { | |
| ; CHECK: f10: | |
| entry: | |
| %a = alloca i64, align 8 ; <i64*> [#uses=1] | |
| %retval = load i64* %a ; <i64> [#uses=1] | |
| ret i64 %retval | |
| } |