; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=arm-eabi -mattr=+v6 %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-V6 ; RUN: llc -mtriple=arm-eabi -mattr=+v7 %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-V7 define i32 @test0(i8 %A) { ; CHECK-LABEL: test0: ; CHECK: @ %bb.0: ; CHECK-NEXT: sxtb r0, r0 ; CHECK-NEXT: bx lr %B = sext i8 %A to i32 ret i32 %B } define signext i8 @test1(i32 %A) { ; CHECK-V6-LABEL: test1: ; CHECK-V6: @ %bb.0: ; CHECK-V6-NEXT: lsr r0, r0, #8 ; CHECK-V6-NEXT: sxtb r0, r0 ; CHECK-V6-NEXT: bx lr ; ; CHECK-V7-LABEL: test1: ; CHECK-V7: @ %bb.0: ; CHECK-V7-NEXT: sbfx r0, r0, #8, #8 ; CHECK-V7-NEXT: bx lr ; CHECk-V7: sbfx r0, r0, #8, #8 %B = lshr i32 %A, 8 %C = shl i32 %A, 24 %D = or i32 %B, %C %E = trunc i32 %D to i8 ret i8 %E } define signext i32 @test2(i32 %A, i32 %X) { ; CHECK-LABEL: test2: ; CHECK: @ %bb.0: ; CHECK-NEXT: sxtab r0, r1, r0, ror #8 ; CHECK-NEXT: bx lr %B = lshr i32 %A, 8 %C = shl i32 %A, 24 %D = or i32 %B, %C %E = trunc i32 %D to i8 %F = sext i8 %E to i32 %G = add i32 %F, %X ret i32 %G } define signext i32 @test3(i32 %A, i32 %X) { ; CHECK-LABEL: test3: ; CHECK: @ %bb.0: ; CHECK-NEXT: sxtab r0, r1, r0, ror #16 ; CHECK-NEXT: bx lr %B = lshr i32 %A, 16 %C = shl i32 %A, 16 %D = or i32 %B, %C %E = trunc i32 %D to i8 %F = sext i8 %E to i32 %G = add i32 %F, %X ret i32 %G } define signext i32 @test4(i32 %A, i32 %X) { ; CHECK-LABEL: test4: ; CHECK: @ %bb.0: ; CHECK-NEXT: sxtah r0, r1, r0, ror #8 ; CHECK-NEXT: bx lr %B = lshr i32 %A, 8 %C = shl i32 %A, 24 %D = or i32 %B, %C %E = trunc i32 %D to i16 %F = sext i16 %E to i32 %G = add i32 %F, %X ret i32 %G } define signext i32 @test5(i32 %A, i32 %X) { ; CHECK-LABEL: test5: ; CHECK: @ %bb.0: ; CHECK-NEXT: sxtah r0, r1, r0, ror #24 ; CHECK-NEXT: bx lr %B = lshr i32 %A, 24 %C = shl i32 %A, 8 %D = or i32 %B, %C %E = trunc i32 %D to i16 %F = sext i16 %E to i32 %G = add i32 %F, %X ret i32 %G } define i32 @test6(i8 %A, i32 %X) { ; CHECK-LABEL: test6: ; CHECK: @ %bb.0: ; CHECK-NEXT: sxtab r0, r1, r0 ; CHECK-NEXT: bx lr %sext = sext i8 %A to i32 %add = add i32 %X, %sext ret i32 %add } define i32 @test7(i32 %A, i32 %X) { ; CHECK-LABEL: test7: ; CHECK: @ %bb.0: ; CHECK-NEXT: sxtab r0, r1, r0 ; CHECK-NEXT: bx lr %shl = shl i32 %A, 24 %shr = ashr i32 %shl, 24 %add = add i32 %X, %shr ret i32 %add } define i32 @test8(i16 %A, i32 %X) { ; CHECK-LABEL: test8: ; CHECK: @ %bb.0: ; CHECK-NEXT: sxtah r0, r1, r0 ; CHECK-NEXT: bx lr %sext = sext i16 %A to i32 %add = add i32 %X, %sext ret i32 %add } define i32 @test9(i32 %A, i32 %X) { ; CHECK-LABEL: test9: ; CHECK: @ %bb.0: ; CHECK-NEXT: sxtah r0, r1, r0 ; CHECK-NEXT: bx lr %shl = shl i32 %A, 16 %shr = ashr i32 %shl, 16 %add = add i32 %X, %shr ret i32 %add }