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1; RUN: llc -mtriple=arm-eabi -mcpu=cortex-a8 %s -show-mc-encoding -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-LE2; RUN: llc -mtriple=armeb-eabi -mcpu=cortex-a8 %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-BE3; RUN: llc -mtriple=thumbv6m %s -o - | FileCheck %s --check-prefix=CHECK-V6M4; RUN: llc -mtriple=thumbv8m.base -show-mc-encoding %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V8M5; RUN: llc -mtriple=thumbv8m.main -show-mc-encoding %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V8M6 7; 171 = 0x000000ab8define i64 @f1(i64 %a) {9; CHECK-LABEL: f110; CHECK-LE: subs{{.*}} r0, #17111; CHECK-LE: sbc r1, r1, #012; CHECK-BE: subs r1, r1, #17113; CHECK-BE: sbc r0, r0, #014 %tmp = sub i64 %a, 17115 ret i64 %tmp16}17 18; 66846720 = 0x03fc000019define i64 @f2(i64 %a) {20; CHECK-LABEL: f221; CHECK-LE: subs{{.*}} r0, r0, #6684672022; CHECK-LE: sbc r1, r1, #023; CHECK-BE: subs r1, r1, #6684672024; CHECK-BE: sbc r0, r0, #025 %tmp = sub i64 %a, 6684672026 ret i64 %tmp27}28 29; 734439407618 = 0x000000ab0000000230define i64 @f3(i64 %a) {31; CHECK-LABEL: f332; CHECK-LE: subs{{.*}} r0, #233; CHECK-LE: sbc r1, r1, #17134; CHECK-BE: subs r1, r1, #235; CHECK-BE: sbc r0, r0, #17136 %tmp = sub i64 %a, 73443940761837 ret i64 %tmp38}39 40define i32 @f4(i32 %x) {41entry:42; CHECK-LABEL: f443; CHECK-LE: rsbs44; CHECK-BE: rsbs45 %sub = sub i32 1, %x46 %cmp = icmp ugt i32 %sub, 047 %sel = select i1 %cmp, i32 1, i32 %sub48 ret i32 %sel49}50 51define i32 @f5(i32 %x) {52entry:53; CHECK-LABEL: f5:54; CHECK-LE: movw r1, #65535 @ encoding: [0xff,0x1f,0x0f,0xe3]55; CHECK-V8M: movw r1, #65535 @ encoding: [0x4f,0xf6,0xff,0x71]56; CHECK-NOT: movt57; CHECK-NOT: add58; CHECK: sub{{.*}} r0, r0, r159 60; CHECK-V6M-LABEL: f561; CHECK-V6M: ldr [[NEG:r[0-1]+]], [[CONST:.[A-Z0-9_]+]]62; CHECK-V6M: add{{.*}} r0, [[NEG]]63; CHECK-V6M: [[CONST]]64; CHECK-V6M: .long 429490176165 %sub = add i32 %x, -6553566 ret i32 %sub67}68 69define i32 @f6(i32 %x) {70entry:71; CHECK-LABEL: f6:72; CHECK-LE: movw r1, #65535 @ encoding: [0xff,0x1f,0x0f,0xe3]73; CHECK-V8M: movw r1, #65535 @ encoding: [0x4f,0xf6,0xff,0x71]74; CHECK-NOT: movt75; CHECK-NOT: sub76; CHECK: add{{.*}} r0, r177 78; CHECK-V6M-LABEL: f679; CHECK-V6M: ldr [[NEG:r[0-1]+]], [[CONST:.[A-Z0-9_]+]]80; CHECK-V6M: add{{.*}} r0, [[NEG]]81; CHECK-V6M: [[CONST]]82; CHECK-V6M: .long 6553583 %sub = sub i32 %x, -6553584 ret i32 %sub85}86