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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc -mtriple=riscv64 -mattr=+m -O2 < %s | FileCheck %s --check-prefix=CHECK-O23; RUN: llc -mtriple=riscv64 -mattr=+m -O3 < %s | FileCheck %s --check-prefix=CHECK-O34 5; RUN: llc -mtriple=riscv64 -mattr=+m -tail-dup-size=2 < %s | FileCheck %s --check-prefix=CHECK-O26; RUN: llc -mtriple=riscv64 -mattr=+m -tail-dup-placement-threshold=2 < %s | FileCheck %s --check-prefix=CHECK-O27; RUN: llc -mtriple=riscv64 -mattr=+m -tail-dup-placement-threshold=6 < %s | FileCheck %s --check-prefix=CHECK-O38 9@a = external global i3210@b = external global i3211@c = external global i3212 13declare i32 @foo(i32)14 15define i32 @test(i32 %n) {16; CHECK-O2-LABEL: test:17; CHECK-O2: # %bb.0: # %entry18; CHECK-O2-NEXT: sext.w a1, a019; CHECK-O2-NEXT: blez a1, .LBB0_220; CHECK-O2-NEXT: # %bb.1: # %if.then21; CHECK-O2-NEXT: lui a1, %hi(a)22; CHECK-O2-NEXT: lw a1, %lo(a)(a1)23; CHECK-O2-NEXT: mul a0, a1, a024; CHECK-O2-NEXT: j .LBB0_325; CHECK-O2-NEXT: .LBB0_2: # %if.else26; CHECK-O2-NEXT: lui a1, %hi(b)27; CHECK-O2-NEXT: lw a1, %lo(b)(a1)28; CHECK-O2-NEXT: divw a0, a1, a029; CHECK-O2-NEXT: .LBB0_3: # %if.end30; CHECK-O2-NEXT: lui a1, %hi(c)31; CHECK-O2-NEXT: lw a1, %lo(c)(a1)32; CHECK-O2-NEXT: addi a0, a0, -133; CHECK-O2-NEXT: mulw a0, a0, a134; CHECK-O2-NEXT: tail foo35;36; CHECK-O3-LABEL: test:37; CHECK-O3: # %bb.0: # %entry38; CHECK-O3-NEXT: sext.w a1, a039; CHECK-O3-NEXT: blez a1, .LBB0_240; CHECK-O3-NEXT: # %bb.1: # %if.then41; CHECK-O3-NEXT: lui a1, %hi(a)42; CHECK-O3-NEXT: lw a1, %lo(a)(a1)43; CHECK-O3-NEXT: mul a0, a1, a044; CHECK-O3-NEXT: lui a1, %hi(c)45; CHECK-O3-NEXT: lw a1, %lo(c)(a1)46; CHECK-O3-NEXT: addi a0, a0, -147; CHECK-O3-NEXT: mulw a0, a0, a148; CHECK-O3-NEXT: tail foo49; CHECK-O3-NEXT: .LBB0_2: # %if.else50; CHECK-O3-NEXT: lui a1, %hi(b)51; CHECK-O3-NEXT: lw a1, %lo(b)(a1)52; CHECK-O3-NEXT: divw a0, a1, a053; CHECK-O3-NEXT: lui a1, %hi(c)54; CHECK-O3-NEXT: lw a1, %lo(c)(a1)55; CHECK-O3-NEXT: addi a0, a0, -156; CHECK-O3-NEXT: mulw a0, a0, a157; CHECK-O3-NEXT: tail foo58entry:59 %cmp = icmp sgt i32 %n, 060 br i1 %cmp, label %if.then, label %if.else61 62if.then:63 %va = load i32, ptr @a64 %mul = mul nsw i32 %va, %n65 br label %if.end66 67if.else:68 %vb = load i32, ptr @b69 %div = sdiv i32 %vb, %n70 br label %if.end71 72if.end:73 %phi = phi i32 [ %mul, %if.then ], [ %div, %if.else ]74 %vc = load i32, ptr @c75 %add = add nsw i32 %phi, -176 %arg = mul i32 %add, %vc77 %ret = tail call i32 @foo(i32 %arg)78 ret i32 %ret79}80