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TheRock/compiler/amd-llvm/llvm/test/CodeGen/RISCV/rv64m-w-insts-legalization.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

33 lines
1.2 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv64 -mattr=+m -verify-machineinstrs < %s | FileCheck %s
define signext i32 @mulw(i32 signext %s, i32 signext %n, i32 signext %k) nounwind {
; CHECK-LABEL: mulw:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: li a2, 1
; CHECK-NEXT: bge a0, a1, .LBB0_2
; CHECK-NEXT: .LBB0_1: # %for.body
; CHECK-NEXT: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT: mulw a2, a0, a2
; CHECK-NEXT: addiw a0, a0, 1
; CHECK-NEXT: blt a0, a1, .LBB0_1
; CHECK-NEXT: .LBB0_2: # %for.cond.cleanup
; CHECK-NEXT: mv a0, a2
; CHECK-NEXT: ret
entry:
%cmp6 = icmp slt i32 %s, %n
br i1 %cmp6, label %for.body, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.body, %entry
%sum.0.lcssa = phi i32 [ 1, %entry ], [ %mul, %for.body ]
ret i32 %sum.0.lcssa
for.body: ; preds = %entry, %for.body
%i.08 = phi i32 [ %inc, %for.body ], [ %s, %entry ]
%sum.07 = phi i32 [ %mul, %for.body ], [ 1, %entry ]
%mul = mul nsw i32 %i.08, %sum.07
%inc = add nsw i32 %i.08, 1
%cmp = icmp slt i32 %inc, %n
br i1 %cmp, label %for.body, label %for.cond.cleanup
}