diff --git a/llvm/test/CodeGen/AArch64/shrink-wrap-const-pool-access.mir b/llvm/test/CodeGen/AArch64/shrink-wrap-const-pool-access.mir new file mode 100644 index 0000000000000..ff652a58cae88 --- /dev/null +++ b/llvm/test/CodeGen/AArch64/shrink-wrap-const-pool-access.mir @@ -0,0 +1,71 @@ +--- | + ; RUN: llc -x=mir -simplify-mir -run-pass=shrink-wrap -o - %s | FileCheck %s + ; CHECK-NOT: savePoint + ; CHECK-NOT: restorePoint + + declare double @foo() + + define double @shrink_wrap_load_from_const_pool(double %q) { + entry: + %0 = fcmp oeq double %q, 3.125500e+02 + br i1 %0, label %common.ret, label %if.else + + common.ret: ; preds = %if.else, %entry, %exit1 + %common.ret.op = phi double [ %3, %exit1 ], [ 0.000000e+00, %entry ], [ 0.000000e+00, %if.else ] + ret double %common.ret.op + + if.else: ; preds = %entry + %1 = call double @foo() + %2 = fcmp oeq double %1, 0.000000e+00 + br i1 %2, label %exit1, label %common.ret + + exit1: ; preds = %if.else + %3 = call double @foo() + br label %common.ret + } +... +--- +name: shrink_wrap_load_from_const_pool +tracksRegLiveness: true +constants: + - id: 0 + value: 'double 3.125500e+02' + alignment: 8 +body: | + bb.0.entry: + successors: %bb.4(0x50000000), %bb.2(0x30000000) + liveins: $d0 + + renamable $d1 = COPY $d0 + renamable $x8 = ADRP target-flags(aarch64-page) %const.0 + renamable $d2 = LDRDui killed renamable $x8, target-flags(aarch64-pageoff, aarch64-nc) %const.0 :: (load (s64) from constant-pool) + renamable $d0 = FMOVD0 + nofpexcept FCMPDrr killed renamable $d1, killed renamable $d2, implicit-def $nzcv, implicit $fpcr + Bcc 1, %bb.2, implicit killed $nzcv + + bb.4: + liveins: $d0 + + bb.1.common.ret: + liveins: $d0 + + RET_ReallyLR implicit $d0 + + bb.2.if.else: + successors: %bb.3(0x50000000), %bb.1(0x30000000) + + ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp + BL @foo, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $d0 + ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp + renamable $d1 = COPY $d0 + renamable $d0 = FMOVD0 + nofpexcept FCMPDri killed renamable $d1, implicit-def $nzcv, implicit $fpcr + Bcc 1, %bb.1, implicit killed $nzcv + B %bb.3 + + bb.3.exit1: + ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp + BL @foo, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $d0 + ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp + B %bb.1 +...