| ; RUN: llc < %s -mtriple=armv6-apple-ios0.0.0 -mcpu=arm1136jf-s -verify-machineinstrs | FileCheck %s |
| ; RUN: llc -mtriple=thumbv6m-eabi -mattr=+execute-only -verify-machineinstrs %s -o - | FileCheck --check-prefix=CHECK-T1 %s |
| target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32" |
| |
| ; Don't CSE a cmp across a call that clobbers CPSR. |
| ; |
| ; CHECK: cmp |
| |
| ; CHECK-T1: movs [[REG:r[0-7]+]], :upper8_15: |
| ; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8 |
| ; CHECK-T1-NEXT: adds [[REG]], :upper0_7: |
| ; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8 |
| ; CHECK-T1-NEXT: adds [[REG]], :lower8_15: |
| ; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8 |
| ; CHECK-T1-NEXT: adds [[REG]], :lower0_7: |
| |
| ; CHECK-T1: movs [[REG:r[0-7]+]], :upper8_15: |
| ; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8 |
| ; CHECK-T1-NEXT: adds [[REG]], :upper0_7: |
| ; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8 |
| ; CHECK-T1-NEXT: adds [[REG]], :lower8_15: |
| ; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8 |
| ; CHECK-T1-NEXT: adds [[REG]], :lower0_7: |
| |
| ; CHECK-T1: cmp |
| |
| ; CHECK: S_trimzeros |
| ; CHECK: cmp |
| ; CHECK: strlen |
| |
| @F_floatmul.man1 = external global [200 x i8], align 1 |
| @F_floatmul.man2 = external global [200 x i8], align 1 |
| |
| declare i32 @strlen(ptr nocapture) nounwind readonly |
| declare void @S_trimzeros(...) |
| |
| define ptr @F_floatmul(ptr %f1, ptr %f2, i32 %a, i32 %b) nounwind ssp { |
| entry: |
| %0 = icmp eq i32 %a, %b |
| br i1 %0, label %while.end42, label %while.body37 |
| |
| while.body37: ; preds = %while.body37, %entry |
| br i1 false, label %while.end42, label %while.body37 |
| |
| while.end42: ; preds = %while.body37, %entry |
| %. = select i1 %0, ptr @F_floatmul.man1, ptr @F_floatmul.man2 |
| %.92 = select i1 %0, ptr @F_floatmul.man2, ptr @F_floatmul.man1 |
| tail call void @S_trimzeros(ptr %.92) nounwind |
| %call47 = tail call i32 @strlen(ptr %.) nounwind |
| unreachable |
| } |