1; RUN: llc < %s -mtriple=armv6-apple-ios0.0.0 -mcpu=arm1136jf-s -verify-machineinstrs | FileCheck %s 2; RUN: llc -mtriple=thumbv6m-eabi -mattr=+execute-only -verify-machineinstrs %s -o - | FileCheck --check-prefix=CHECK-T1 %s 3target 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" 4 5; Don't CSE a cmp across a call that clobbers CPSR. 6; 7; CHECK: cmp 8 9; CHECK-T1: movs [[REG:r[0-7]+]], :upper8_15: 10; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8 11; CHECK-T1-NEXT: adds [[REG]], :upper0_7: 12; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8 13; CHECK-T1-NEXT: adds [[REG]], :lower8_15: 14; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8 15; CHECK-T1-NEXT: adds [[REG]], :lower0_7: 16 17; CHECK-T1: movs [[REG:r[0-7]+]], :upper8_15: 18; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8 19; CHECK-T1-NEXT: adds [[REG]], :upper0_7: 20; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8 21; CHECK-T1-NEXT: adds [[REG]], :lower8_15: 22; CHECK-T1-NEXT: lsls [[REG]], [[REG]], #8 23; CHECK-T1-NEXT: adds [[REG]], :lower0_7: 24 25; CHECK-T1: cmp 26 27; CHECK: S_trimzeros 28; CHECK-T1: S_trimzeros 29; CHECK-NOT: moveq 30; CHECK-T1-NOT: beq 31; CHECK: strlen 32 33@F_floatmul.man1 = external global [200 x i8], align 1 34@F_floatmul.man2 = external global [200 x i8], align 1 35 36declare i32 @strlen(ptr nocapture) nounwind readonly 37declare void @S_trimzeros(...) 38 39define ptr @F_floatmul(ptr %f1, ptr %f2, i32 %a, i32 %b) nounwind ssp { 40entry: 41 %0 = icmp eq i32 %a, %b 42 br i1 %0, label %while.end42, label %while.body37 43 44while.body37: ; preds = %while.body37, %entry 45 br i1 false, label %while.end42, label %while.body37 46 47while.end42: ; preds = %while.body37, %entry 48 %. = select i1 %0, ptr @F_floatmul.man1, ptr @F_floatmul.man2 49 %.92 = select i1 %0, ptr @F_floatmul.man2, ptr @F_floatmul.man1 50 tail call void @S_trimzeros(ptr %.92) nounwind 51 %call47 = tail call i32 @strlen(ptr %.) nounwind 52 unreachable 53} 54