2e2395651e
Change lowering store iff the data operand is leagalized. In this way, llvm can lower only operands first, then lower store instruction later. Reviewed By: efocht Differential Revision: https://reviews.llvm.org/D158253
45 lines
1.4 KiB
LLVM
45 lines
1.4 KiB
LLVM
; RUN: llc < %s -mtriple=ve -mattr=+vpu | FileCheck %s
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; RUN: llc < %s -mtriple=ve -mattr=-vpu | FileCheck --check-prefix=SCALAR %s
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; Check vector and scalar code generation for vector load instruction.
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; For the case of vector, generates vst with 4 vector length. For the
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; case of scalar, generates 2 stores of 8 bytes length.
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; This is taken from a ticket below.
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; https://github.com/llvm/llvm-project/issues/64420
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; CHECK-LABEL: func:
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; CHECK: # %bb.1:
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; CHECK-NEXT: lea %s1, 256
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; CHECK-NEXT: lvl %s1
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; CHECK-NEXT: vbrd %v0, 0
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; CHECK-NEXT: or %s1, 4, (0)1
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; CHECK-NEXT: lvl %s1
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; CHECK-NEXT: vstl %v0, 4, %s0
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; CHECK-NEXT: b.l.t (, %s10)
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; SCALAR-LABEL: func:
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; SCALAR: # %bb.1:
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; SCALAR-NEXT: st %s1, 8(, %s0)
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; SCALAR-NEXT: st %s1, (, %s0)
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; SCALAR-NEXT: b.l.t (, %s10)
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; ModuleID = 'bugpoint-reduced-simplified.bc'
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source_filename = "test.c"
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target datalayout = "e-m:e-i64:64-n32:64-S128-v64:64:64-v128:64:64-v256:64:64-v512:64:64-v1024:64:64-v2048:64:64-v4096:64:64-v8192:64:64-v16384:64:64"
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target triple = "ve-unknown-linux-gnu"
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define dso_local void @func(ptr %_0) unnamed_addr #0 {
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start:
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br i1 poison, label %bb7, label %panic3
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bb7: ; preds = %start
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store <4 x i32> zeroinitializer, ptr %_0, align 4
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ret void
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panic3: ; preds = %start
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unreachable
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}
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attributes #0 = { "target-features"="+vpu" }
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