-; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
+; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2,+t2xtpk %s -o - \
+; RUN: | FileCheck %s
define i32 @test0(i8 %A) {
-; CHECK: test0
+; CHECK-LABEL: test0:
; CHECK: sxtb r0, r0
%B = sext i8 %A to i32
ret i32 %B
}
-define i8 @test1(i32 %A) signext {
-; CHECK: test1
-; CHECK: sxtb.w r0, r0, ror #8
+define signext i8 @test1(i32 %A) {
+; CHECK-LABEL: test1:
+; CHECK: sbfx r0, r0, #8, #8
%B = lshr i32 %A, 8
%C = shl i32 %A, 24
%D = or i32 %B, %C
ret i8 %E
}
-define i32 @test2(i32 %A, i32 %X) signext {
-; CHECK: test2
-; CHECK: lsrs r0, r0, #8
-; CHECK: sxtab r0, r1, r0
+define signext i32 @test2(i32 %A, i32 %X) {
+; CHECK-LABEL: test2:
+; CHECK: sxtab r0, r1, r0, ror #8
%B = lshr i32 %A, 8
%C = shl i32 %A, 24
%D = or i32 %B, %C
%G = add i32 %F, %X
ret i32 %G
}
+
+define i32 @test3(i32 %A, i32 %X) {
+; CHECK-LABEL: test3:
+; CHECK: sxtah r0, r0, r1, ror #8
+ %X.hi = lshr i32 %X, 8
+ %X.trunc = trunc i32 %X.hi to i16
+ %addend = sext i16 %X.trunc to i32
+
+ %sum = add i32 %A, %addend
+ ret i32 %sum
+}