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instruction. Now, rather than emitting the following loop out of bisect: .LBB_main_19: ; no_exit.0.i rlwinm r3, r2, 3, 0, 28 lfdx f1, r3, r27 addis r3, r30, ha16(.CPI_main_1-"L00000$pb") lfd f2, lo16(.CPI_main_1-"L00000$pb")(r3) fsub f2, f2, f1 addis r3, r30, ha16(.CPI_main_1-"L00000$pb") lfd f4, lo16(.CPI_main_1-"L00000$pb")(r3) fcmpu cr0, f1, f4 bge .LBB_main_64 ; no_exit.0.i .LBB_main_63: ; no_exit.0.i b .LBB_main_65 ; no_exit.0.i .LBB_main_64: ; no_exit.0.i fmr f2, f1 .LBB_main_65: ; no_exit.0.i addi r3, r2, 1 rlwinm r3, r3, 3, 0, 28 lfdx f1, r3, r27 addis r3, r30, ha16(.CPI_main_1-"L00000$pb") lfd f4, lo16(.CPI_main_1-"L00000$pb")(r3) fsub f4, f4, f1 addis r3, r30, ha16(.CPI_main_1-"L00000$pb") lfd f5, lo16(.CPI_main_1-"L00000$pb")(r3) fcmpu cr0, f1, f5 bge .LBB_main_67 ; no_exit.0.i .LBB_main_66: ; no_exit.0.i b .LBB_main_68 ; no_exit.0.i .LBB_main_67: ; no_exit.0.i fmr f4, f1 .LBB_main_68: ; no_exit.0.i fadd f1, f2, f4 addis r3, r30, ha16(.CPI_main_2-"L00000$pb") lfd f2, lo16(.CPI_main_2-"L00000$pb")(r3) fmul f1, f1, f2 rlwinm r3, r2, 3, 0, 28 lfdx f2, r3, r28 fadd f4, f2, f1 fcmpu cr0, f4, f0 bgt .LBB_main_70 ; no_exit.0.i .LBB_main_69: ; no_exit.0.i b .LBB_main_71 ; no_exit.0.i .LBB_main_70: ; no_exit.0.i fmr f0, f4 .LBB_main_71: ; no_exit.0.i fsub f1, f2, f1 addi r2, r2, -1 fcmpu cr0, f1, f3 blt .LBB_main_73 ; no_exit.0.i .LBB_main_72: ; no_exit.0.i b .LBB_main_74 ; no_exit.0.i .LBB_main_73: ; no_exit.0.i fmr f3, f1 .LBB_main_74: ; no_exit.0.i cmpwi cr0, r2, -1 fmr f16, f0 fmr f17, f3 bgt .LBB_main_19 ; no_exit.0.i We emit this instead: .LBB_main_19: ; no_exit.0.i rlwinm r3, r2, 3, 0, 28 lfdx f1, r3, r27 addis r3, r30, ha16(.CPI_main_1-"L00000$pb") lfd f2, lo16(.CPI_main_1-"L00000$pb")(r3) fsub f2, f2, f1 fsel f1, f1, f1, f2 addi r3, r2, 1 rlwinm r3, r3, 3, 0, 28 lfdx f2, r3, r27 addis r3, r30, ha16(.CPI_main_1-"L00000$pb") lfd f4, lo16(.CPI_main_1-"L00000$pb")(r3) fsub f4, f4, f2 fsel f2, f2, f2, f4 fadd f1, f1, f2 addis r3, r30, ha16(.CPI_main_2-"L00000$pb") lfd f2, lo16(.CPI_main_2-"L00000$pb")(r3) fmul f1, f1, f2 rlwinm r3, r2, 3, 0, 28 lfdx f2, r3, r28 fadd f4, f2, f1 fsub f5, f0, f4 fsel f0, f5, f0, f4 fsub f1, f2, f1 addi r2, r2, -1 fsub f2, f1, f3 fsel f3, f2, f3, f1 cmpwi cr0, r2, -1 fmr f16, f0 fmr f17, f3 bgt .LBB_main_19 ; no_exit.0.i git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16764 91177308-0d34-0410-b5e6-96231b3b80d8
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