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TheRock/compiler/amd-llvm/llvm/test/CodeGen/RISCV/rvv/fold-scalar-load-crash.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

82 lines
3.0 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
; RUN: llc -mtriple=riscv32 -mattr=+v,+xtheadmemidx -verify-machineinstrs < %s \
; RUN: | FileCheck %s --check-prefix RV32
; RUN: llc -mtriple=riscv64 -mattr=+v,+xtheadmemidx -verify-machineinstrs < %s \
; RUN: | FileCheck %s --check-prefix RV64
define i32 @test(i32 %size, ptr %add.ptr, i64 %const) {
; RV32-LABEL: test:
; RV32: # %bb.0: # %entry
; RV32-NEXT: addi a3, a2, 1
; RV32-NEXT: th.lbib a4, (a1), -1, 0
; RV32-NEXT: vsetivli zero, 8, e8, m1, ta, ma
; RV32-NEXT: vmv.s.x v8, a4
; RV32-NEXT: vmv.s.x v9, zero
; RV32-NEXT: vsetvli zero, a3, e8, mf2, tu, ma
; RV32-NEXT: vslideup.vx v8, v9, a2
; RV32-NEXT: addi a2, a0, 1
; RV32-NEXT: .LBB0_1: # %for.body
; RV32-NEXT: # =>This Inner Loop Header: Depth=1
; RV32-NEXT: th.lrb a0, a1, a0, 0
; RV32-NEXT: vsetivli zero, 1, e8, m1, tu, ma
; RV32-NEXT: vmv1r.v v9, v8
; RV32-NEXT: vmv.s.x v9, a0
; RV32-NEXT: vsetivli zero, 8, e8, mf2, ta, ma
; RV32-NEXT: vmseq.vi v9, v9, 0
; RV32-NEXT: vmv.x.s a0, v9
; RV32-NEXT: zext.b a3, a0
; RV32-NEXT: mv a0, a2
; RV32-NEXT: bnez a3, .LBB0_1
; RV32-NEXT: # %bb.2: # %if.then381
; RV32-NEXT: li a0, 0
; RV32-NEXT: ret
;
; RV64-LABEL: test:
; RV64: # %bb.0: # %entry
; RV64-NEXT: addi a3, a2, 1
; RV64-NEXT: th.lbib a4, (a1), -1, 0
; RV64-NEXT: vsetivli zero, 8, e8, m1, ta, ma
; RV64-NEXT: vmv.s.x v8, a4
; RV64-NEXT: vmv.s.x v9, zero
; RV64-NEXT: vsetvli zero, a3, e8, mf2, tu, ma
; RV64-NEXT: vslideup.vx v8, v9, a2
; RV64-NEXT: addi a2, a0, 1
; RV64-NEXT: .LBB0_1: # %for.body
; RV64-NEXT: # =>This Inner Loop Header: Depth=1
; RV64-NEXT: sext.w a0, a0
; RV64-NEXT: th.lrb a0, a1, a0, 0
; RV64-NEXT: vsetivli zero, 1, e8, m1, tu, ma
; RV64-NEXT: vmv1r.v v9, v8
; RV64-NEXT: vmv.s.x v9, a0
; RV64-NEXT: vsetivli zero, 8, e8, mf2, ta, ma
; RV64-NEXT: vmseq.vi v9, v9, 0
; RV64-NEXT: vmv.x.s a0, v9
; RV64-NEXT: zext.b a3, a0
; RV64-NEXT: mv a0, a2
; RV64-NEXT: bnez a3, .LBB0_1
; RV64-NEXT: # %bb.2: # %if.then381
; RV64-NEXT: li a0, 0
; RV64-NEXT: ret
entry:
br label %for.body
for.body: ; preds = %for.body, %entry
%size.actual = phi i32 [%size, %entry], [%size.inc, %for.body]
%add.ptr1 = getelementptr i8, ptr %add.ptr, i32 -1
%add.ptr2 = getelementptr i8, ptr %add.ptr1, i32 %size.actual
%0 = load i8, ptr %add.ptr1, align 1
%1 = load i8, ptr %add.ptr2, align 1
%2 = insertelement <8 x i8> poison, i8 %0, i64 0
%3 = insertelement <8 x i8> %2, i8 0, i64 %const
%4 = insertelement <8 x i8> %3, i8 %1, i64 0
%5 = icmp ult <8 x i8> %4, <i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1>
%6 = bitcast <8 x i1> %5 to i8
%7 = zext i8 %6 to i32
%cond = icmp eq i32 %7, 0
%size.inc = add i32 %size, 1
br i1 %cond, label %if.then381, label %for.body
if.then381: ; preds = %for.body
ret i32 0
}